Couldn%27t convert string to float python - ValueError: could not convert string to float: 'Null' # else, only a single dtype is given # _astype_nansafe works fine with 1-d only # TODO(extension) # Explicit copy, or required since NumPy can't view from / to object.

 
Jun 9, 2015 · I think np.loadtxt expects numbers so it does not know how to convert a value which starts with a ' (', I think you have two choices here: lines = [] with open ('datafile') as infile: for line in infile: line = line.rstrip (' ') [1:-1] # this removes first and last parentheses from the line lines.append ( [float (v) for v in line.split ... . Hotels near buc ee

A string is a suitable type to convert to a float. But several string values are not suitable to convert to float: A value that contains non-special terms, for example, ‘nan’ is a special term, “bread” is not. A value that contains a commas, speech marks and other non alphanumeric characters. A value that contains spaces.Then you must convert the string to a comma. Python includes a built-in float() function for converting text to a floating point value. This function will come in handy when executing a mathematical operation on a string object. A string is an appropriate type to convert to a float. However, specific string values cannot be converted to float. Aug 16, 2022 · To convert string to float we can use the function: .astype(float). If we try to do so for the column - amount: df['amount'].astype(float) we will face error: ValueError: could not convert string to float: '$10.00' Step 2: ValueError: Unable to parse string "$10.00" at position 0. We will see similar result if we try to convert the column to ... Maybe I should use other module to read CSV. I tried pandas right now, and it reads just fine as anyone would have expected, but OTOH I don't want to load huge package just to read CSV to array, and don't use it again... Jan 3, 2018 · The problem is that your string is not just '1151226468812.22', but it is '"1151226468812.22"'. It also contains speech marks ( " ). This means that before you convert this to a float, you need to remove the leading and trailing speech marks. Luckily, Python has a very handy string method .strip () to do this for you. I think np.loadtxt expects numbers so it does not know how to convert a value which starts with a ' (', I think you have two choices here: lines = [] with open ('datafile') as infile: for line in infile: line = line.rstrip (' ') [1:-1] # this removes first and last parentheses from the line lines.append ( [float (v) for v in line.split ...The problem is that your string is not just '1151226468812.22', but it is '"1151226468812.22"'. It also contains speech marks ( " ). This means that before you convert this to a float, you need to remove the leading and trailing speech marks. Luckily, Python has a very handy string method .strip () to do this for you.Jun 27, 2021 · We can use data types like int, float, string, list, set… in our applications. When using different types of variables, it may be necessary to convert these to different types. Just like the str () function, Python also offers a handy built-in function that takes an object of type String as an argument and returns the corresponding Float object. The machine cannot uderstand or work with string values. It only understands numeric values. So for example if you are doing a machine learning task, you would use libraries like OneHotEncoder, LabelEncoder etc to covert string values to numeric. For your case, you are working on a NLP task which uses text values instead of string values.Mar 31, 2020 · Like the comments said, you are trying to convert a string or object (in this case "Male") into a float. Try to output your variables and their types to makes you see where you are trying to convert the float. Jun 22, 2020 · If you're reading a CSV file with any data, I highly recommend to use Pandas.This would help you to use the data with Neural Networks as well. (Install Pandas)Below snippet will load the CSV into Pandas 2-dimensional data type called DataFrame. Sep 23, 2021 · The machine cannot uderstand or work with string values. It only understands numeric values. So for example if you are doing a machine learning task, you would use libraries like OneHotEncoder, LabelEncoder etc to covert string values to numeric. For your case, you are working on a NLP task which uses text values instead of string values. I'm trying to load the two coluns of my csv files into an array in python. However I am getting: ValueError: could not convert string to float: ''. I have attached the snippets of the code implemented and the csv file I'm trying to store in an array.2. You're trying to convert the string "" into a float. "" doesn't make sense as a float, so you'll have to do one of the following. 1 Populate your fields with strings that make sense as floats. For example "0". 2 Set a default value. The following code sets wins as the float value of wins or 0.0 if not applicable.ValueError: could not convert string to float. Now, i know it is a string but how can i convert it into a tuple type that can be read in the function, as the value contains commas and cannot be converted to float i think. the function takes in a tuple of three numbers separated by commas (RGB values) and returns the color Closet to it. MY CODE:Convert String to Float in Python. Below are 6 common and simple methods used to convert a string to float in python. 1) Using float() function. You can use the float() function to convert any data type into a floating-point number. This method only accepts one parameter. If you do not pass any argument, then the method returns 0.0.Jun 22, 2023 · When I try to replicate this behavior, the corr() method works OK but spits out a warning (shown below) that warns that the ignoring of non-numeric columns will be removed in the future. ValueError: could not convert string to float: 'X_train' ... not able to convert string to float in python and how to train the model with this dataset. 5.Sep 7, 2017 · 3 Answers. A quick solution would involve using pd.to_numeric to convert whatever strings your data might contain to numeric values. If they're incompatible with conversion, they'll be reduced to NaN s. from sklearn.linear_model import LinearRegression X = X.apply (pd.to_numeric, errors='coerce') Y = Y.apply (pd.to_numeric, errors='coerce ... Jun 22, 2020 · If you're reading a CSV file with any data, I highly recommend to use Pandas.This would help you to use the data with Neural Networks as well. (Install Pandas)Below snippet will load the CSV into Pandas 2-dimensional data type called DataFrame. I keep getting a valueerror: could not convert string to float: '1956-01' The code is supposed to scale the data for machine learning using minmax scaler, but its saying I have strings. I think the code converted it into datetime.I have this assignment where I use SVC() and best gridsearchCV() from scikit learn to fit a model. Bit I am getting can not convert string to float. All my X_train data seem to int64 and float64. But y_train data are "yes" and "no".May 16, 2019 · ValueError: could not convert string to float: I want to replace these " " by NaN values, in a large dataframe. ... ValueError: could not convert string to float ... – Replace the Unwanted Characters Using a Python Function. You can replace unwanted characters from your string using the “replace()” function. This will work for our previous pandas example, and the following string in our first example: “22,2.329%”. In Python, if you convert a string object into a floating point, you may face the ValueError could not convert the string to float numerous times. Usually, this happens if the string object is an invalid parameter to the float (). Code # decimal to float decimal_num = "10a" # invalid value float_num = float (decimal_num) float_num OutputWe can use data types like int, float, string, list, set… in our applications. When using different types of variables, it may be necessary to convert these to different types. Just like the str () function, Python also offers a handy built-in function that takes an object of type String as an argument and returns the corresponding Float object.ValueError: could not convert string to float: 'X_train' ... not able to convert string to float in python and how to train the model with this dataset. 5.If you are in a hurry, below quick examples will help you in understanding the different ways to convert a string to a float in Python. We will discuss them in detail with other important tips. # Quick Examples # Method 1: Convert string to float using float () string_to_float = float("123.45") # Method 2: Convert string to float using the ...Sep 23, 2021 · The machine cannot uderstand or work with string values. It only understands numeric values. So for example if you are doing a machine learning task, you would use libraries like OneHotEncoder, LabelEncoder etc to covert string values to numeric. For your case, you are working on a NLP task which uses text values instead of string values. Python "ValueError: could not convert string to float: %". Create a function called format_change which takes a string such as those in the Change column and does the following: def format_change (string): if string [-1] == "%": string = string [-1] str_as_float = float (string) if str_as_float > 0: str_as_float = str_as_float * 100 return str ...ValueError: could not convert string to float: 'New York'. I read the answers to similar questions and then opened scikit-learn documentations, but how you can see scikit-learn authors doesn't have issues with spaces in strings. I know that I can use LabelEncocder from sklearn.preprocessing and then use OHE and it works well, but in that case.Here, we first created an empty string in Python and then had to loop over the string with commas, apply the conditional statement to remove the commas, and then convert the resultant string into a float in Python. The output is: 2999.99 <class 'float'>. This way, we can use the Naive method to convert string with comma to float in Python.Here, we first created an empty string in Python and then had to loop over the string with commas, apply the conditional statement to remove the commas, and then convert the resultant string into a float in Python. The output is: 2999.99 <class 'float'>. This way, we can use the Naive method to convert string with comma to float in Python.If you want to improve your model it is even recommended to normalize your model between -1;1 in general and therefore to use decimal numbers, hence the expectation of a float. In your case, your dataframe seems to contain exclusively string entries. As Dilara Gokay said, you first need to transform your strings into floats and to do so, use ...This article is aimed at providing information about converting the string to float. In Python, we can use float () to convert String to float. and we can use int () to convert a String to an integer. Input: "33.28" Output: 33.28 # float Explanation: int in input and float in output.May 16, 2019 · ValueError: could not convert string to float: I want to replace these " " by NaN values, in a large dataframe. ... ValueError: could not convert string to float ... Jul 21, 2019 · 5,534 3 25 36. asked Jul 21, 2019 at 14:51. Sudhanshu Kumar Tiwari. 1 1. 1. Somehow you are trying to convert the string 'f' to a float.It is probably in the .csv file. You'll have to find it and figure out why. – wwii. A string is a suitable type to convert to a float. But several string values are not suitable to convert to float: A value that contains non-special terms, for example, ‘nan’ is a special term, “bread” is not. A value that contains a commas, speech marks and other non alphanumeric characters. A value that contains spaces.Jun 22, 2020 · If you're reading a CSV file with any data, I highly recommend to use Pandas.This would help you to use the data with Neural Networks as well. (Install Pandas)Below snippet will load the CSV into Pandas 2-dimensional data type called DataFrame. now you have a full dataset with int and float and your SVC can works well with it but before you need to split: it is a good ideas to have a test size inferior to the train size , it may be preferable to use a value inferior to 0.5 for test_size find more about training set and test set size hereA try/except handles the ValueError that might occur when float tries to convert the input to a float. The problem is exactly what the Traceback log says: Could not convert string to float. If you have a string with only numbers, python's smart enough to do what you're trying and converts the string to a float.I'm trying to load the two coluns of my csv files into an array in python. However I am getting: ValueError: could not convert string to float: ''. I have attached the snippets of the code implemented and the csv file I'm trying to store in an array.ValueError: could not convert string to float: 'D' I have tried: train=train.astype(float) Replacing all 'D' with another value. train.convert_objects(convert_numeric=True) But the issue still persists. I also tried printing all the valueErrors in my csv file, but cannot find a reference to 'D'. This is my trace:Mar 31, 2020 · Like the comments said, you are trying to convert a string or object (in this case "Male") into a float. Try to output your variables and their types to makes you see where you are trying to convert the float. ValueError: could not convert string to float. Now, i know it is a string but how can i convert it into a tuple type that can be read in the function, as the value contains commas and cannot be converted to float i think. the function takes in a tuple of three numbers separated by commas (RGB values) and returns the color Closet to it. MY CODE: Jul 16, 2020 · Pythonは、コードの読みやすさが特徴的なプログラミング言語の1つです。 強い型付け、動的型付けに対応しており、後方互換性がないバージョン2系とバージョン3系が使用されています。 Now, let’s check the output: Enter the value you want to convert to GBP: 2,300. Traceback (most recent call last): File “main.py”, line 1, in <module>. dollar_value = float (input (“Enter the value you want to convert to GBP: “)) Python valueerror: could not convert string to float: ‘2,300’. Finally, it is the main reason to cause ...1. Usually files has empty line at the end so probably you're trying to cast empty string to float. Instead of file_in.read ().split (' ') you could use: for line in file_in.readlines (): x.append (float (line)) Method readlines returns list of all lines from given file and skips last empty line if present. Share.Mar 31, 2020 · Like the comments said, you are trying to convert a string or object (in this case "Male") into a float. Try to output your variables and their types to makes you see where you are trying to convert the float. Python: Naive Bayes fit function gives TypeError: float() argument must be a string or a number 0 ValueError: bad input shape (1, 4) in sklearn.naive_bayes.GaussianNBHowever OneHotEncoder does not support to fit_transform() of string. "ValueError: could not convert string to float" may happen during transform. You may use LabelEncoder to transfer from str to continuous numerical values. Then you are able to transfer by OneHotEncoder as you wish. Read the input strvalue and use float () to convert it to a float type. Args: strvalue (str): The input string. Returns: True if strvalue is a string that can be converted to a float type, otherwise False. """ try: myfloat = float (strvalue) except ValueError: print (f'The input string {strvalue} cannot be converted to a float type.') else ...Dec 2, 2017 · 2. You're trying to convert the string "" into a float. "" doesn't make sense as a float, so you'll have to do one of the following. 1 Populate your fields with strings that make sense as floats. For example "0". 2 Set a default value. The following code sets wins as the float value of wins or 0.0 if not applicable. Jan 6, 2022 · with open ("n38bn.txt", r, encoding="utf-8") as file: # Open the file for the length of the width block numbers = [float (line.strip ()) for line in file] # For each line, strip, convert to float and add to list result = sum (numbers) # Sum the list print ("The sum is", result) This uses a list comprehension to build the list in one line, and ... 1. I'm trying to build a simple program using tkinter and I want to assign the value that the user enters into an entry widget as a float variable, not a string. Here is my code: from tkinter import * root = Tk () x_entry = Entry (root) x_entry.pack () x_string=x_entry.get () def enter_click (event): x=float (x_string) print (x) enter_button ...valueerror: could not convert string to float. Python offers a method called float () that converts a string to a floating-point number. This method is useful if you need to perform a mathematical operation on a value. You cannot perform math on a string; you can perform math on a floating-point. The float () method only allows you to convert ...Convert String to Float in Python. Below are 6 common and simple methods used to convert a string to float in python. 1) Using float() function. You can use the float() function to convert any data type into a floating-point number. This method only accepts one parameter. If you do not pass any argument, then the method returns 0.0.ValueError: could not convert string to float: '$400.42' ... How to Fix in Python: ‘numpy.ndarray’ object is not callable How to Fix: TypeError: ‘numpy.float64 ...Jul 26, 2023 · Here, we first created an empty string in Python and then had to loop over the string with commas, apply the conditional statement to remove the commas, and then convert the resultant string into a float in Python. The output is: 2999.99 <class 'float'>. This way, we can use the Naive method to convert string with comma to float in Python. Now, let’s check the output: Enter the value you want to convert to GBP: 2,300. Traceback (most recent call last): File “main.py”, line 1, in <module>. dollar_value = float (input (“Enter the value you want to convert to GBP: “)) Python valueerror: could not convert string to float: ‘2,300’. Finally, it is the main reason to cause ... ValueError: could not convert string to float: 'X_train' ... not able to convert string to float in python and how to train the model with this dataset. 5.Add a comment. 1. First use this line to obtain the current dtypes: col_dtypes = dict ( [ (k, v.name) for k, v in dict (df.dtypes).items ()]) Like so: xls3 = pd.read_csv ('path/to/file') col_dtypes = dict ( [ (k, v.name) for k, v in dict (xls3.dtypes).items ()]) print (col_dtypes) Copy the value that is printed. It should be like this:Convert String to Float in Python. Below are 6 common and simple methods used to convert a string to float in python. 1) Using float() function. You can use the float() function to convert any data type into a floating-point number. This method only accepts one parameter. If you do not pass any argument, then the method returns 0.0.Jan 3, 2023 · Let me clarify: The only table per file consists of four columns (time, temperature, humidity, dewpoint) and at some point (spanning roughly line 25 to 150 or so), only the value of humidity apparently is set to "--327", which python tries to convert to float and obviously fails to do. ValueError: could not convert string to float: '$400.42' ... How to Fix in Python: ‘numpy.ndarray’ object is not callable How to Fix: TypeError: ‘numpy.float64 ...This code works fine in python 2, but the input function was changed between python 2 and python 3 in compliance with PEP 3111:. What was raw_input in python 2 is now called just input in python 3.ValueError: could not convert string to float. Now, i know it is a string but how can i convert it into a tuple type that can be read in the function, as the value contains commas and cannot be converted to float i think. the function takes in a tuple of three numbers separated by commas (RGB values) and returns the color Closet to it. MY CODE:May 14, 2013 · 6. float (line) does not convert in-place. It returns the float value. You need to assign it back to a float variable. float_line = float (line) UPDATE: Actually a better way is to first check if the input is a digit or not. In case it is not a digit float (line) would crash. So this is better -. ValueError: could not convert string to float: '$257.26' - sklearn.tree.DecisionTreeClassifier - Python Hot Network Questions Galois action on automorphisms of a curveJan 6, 2019 · Jan 6, 2019 at 21:32. As explained in the answer, ValueError: could not convert string to float can occur when reading a dataframe from a csv file and casting types df = df [ ['p']].astype ( {'p': float}). If the csv was recorded with empty spaces, python will not recognize the space characters. Aug 16, 2022 · To convert string to float we can use the function: .astype(float). If we try to do so for the column - amount: df['amount'].astype(float) we will face error: ValueError: could not convert string to float: '$10.00' Step 2: ValueError: Unable to parse string "$10.00" at position 0. We will see similar result if we try to convert the column to ... Aug 3, 2021 · You input a value (or more) and it predicts another. A float is a number with decimals. For example, a 2 is an integer and a 2.53 is a float. What you can do is. a = '0.67687980' print (float (a)) Which returns. 0.67687980. However, you cannot do it with a string. a = 'Some string' print (float (a)) Apr 26, 2017 · ValueError: could not convert string to float: id I'm confused by this. When I try this for only one line in interactive section, instead of for loop using script: Jan 6, 2019 · Jan 6, 2019 at 21:32. As explained in the answer, ValueError: could not convert string to float can occur when reading a dataframe from a csv file and casting types df = df [ ['p']].astype ( {'p': float}). If the csv was recorded with empty spaces, python will not recognize the space characters. To convert string to float in Python, you can use the “float()” function. Pass the string you want to convert as an argument to the float() function, and it will return the float value. SyntaxPython float () float (value) is a built-in function in Python that converts the argument value to a float number. For example, float ('42') converts the string value '42' into the float number 42.0. Argument. value. A Python object to be converted into a float number.Mar 5, 2021 · ValueError: could not convert string to float: '$257.26' - sklearn.tree.DecisionTreeClassifier - Python Hot Network Questions Galois action on automorphisms of a curve Python "ValueError: could not convert string to float: %". Create a function called format_change which takes a string such as those in the Change column and does the following: def format_change (string): if string [-1] == "%": string = string [-1] str_as_float = float (string) if str_as_float > 0: str_as_float = str_as_float * 100 return str ... ValueError: could not convert string to float. Now, i know it is a string but how can i convert it into a tuple type that can be read in the function, as the value contains commas and cannot be converted to float i think. the function takes in a tuple of three numbers separated by commas (RGB values) and returns the color Closet to it. MY CODE:Sep 23, 2021 · The machine cannot uderstand or work with string values. It only understands numeric values. So for example if you are doing a machine learning task, you would use libraries like OneHotEncoder, LabelEncoder etc to covert string values to numeric. For your case, you are working on a NLP task which uses text values instead of string values. – Replace the Unwanted Characters Using a Python Function. You can replace unwanted characters from your string using the “replace()” function. This will work for our previous pandas example, and the following string in our first example: “22,2.329%”.Though not the best solution, I found some success by converting it into pandas dataframe and working along. code snippet # convert X into dataframe X_pd = pd.DataFrame(data=X) # replace all instances of URC with 0 X_replace = X_pd.replace(' ',0, regex=True) # convert it back to numpy array X_np = X_replace.values # set the object type as float ...Apr 25, 2015 · A solution to your question might be splitting the strings to represent two floating point numbers and then multiply them together, like in the following snippet: from sys import stderr callback = lambda x: stderr.write ('Invalid floating point number found: {0}'.format (x)) def convert (src, error_callback): ret = list () for item in src ... Apr 26, 2017 · ValueError: could not convert string to float: id I'm confused by this. When I try this for only one line in interactive section, instead of for loop using script: Jul 4, 2021 · I'm trying to load the two coluns of my csv files into an array in python. However I am getting: ValueError: could not convert string to float: ''. I have attached the snippets of the code implemented and the csv file I'm trying to store in an array. Python "ValueError: could not convert string to float: %". Create a function called format_change which takes a string such as those in the Change column and does the following: def format_change (string): if string [-1] == "%": string = string [-1] str_as_float = float (string) if str_as_float > 0: str_as_float = str_as_float * 100 return str ...Jun 22, 2023 · When I try to replicate this behavior, the corr() method works OK but spits out a warning (shown below) that warns that the ignoring of non-numeric columns will be removed in the future. Jul 18, 2023 · This article is aimed at providing information about converting the string to float. In Python, we can use float () to convert String to float. and we can use int () to convert a String to an integer. Input: "33.28" Output: 33.28 # float Explanation: int in input and float in output. A string is a suitable type to convert to a float. But several string values are not suitable to convert to float: A value that contains non-special terms, for example, ‘nan’ is a special term, “bread” is not. A value that contains a commas, speech marks and other non alphanumeric characters. A value that contains spaces.

float('fd') # Traceback (most recent call last): # File "example.py", line 11, in <module> # ValueError: could not convert string to float: 'fd' How to Solve ValueError: could not convert string to float. In order to solve it, you can use the try...except block.. Pacepercent27s italian market

couldn%27t convert string to float python

Sep 30, 2015 · Hi @adityashrm21,. In that case I assume that you are able to run your random forest. So I don’t know how to do this by using function, but it can be done by following steps - float_line = float (line) UPDATE: Actually a better way is to first check if the input is a digit or not. In case it is not a digit float (line) would crash. So this is better -. float_line = None if line.isdigit (): float_line = float (line) else: print 'ERROR: Input needs to be a DIGIT or FLOAT.'.Aug 23, 2023 · STILL GOT QUERIES? Get a Live FREE Demo. Explore the trending and niche courses and learning maps; Learn about tuition fee, payment plans, and scholarships; Get access to webinars and self-paced learning videos Sep 1, 2012 · This code works fine in python 2, but the input function was changed between python 2 and python 3 in compliance with PEP 3111:. What was raw_input in python 2 is now called just input in python 3. ValueError: could not convert string to float: 'Null' # else, only a single dtype is given # _astype_nansafe works fine with 1-d only # TODO(extension) # Explicit copy, or required since NumPy can't view from / to object. Maybe I should use other module to read CSV. I tried pandas right now, and it reads just fine as anyone would have expected, but OTOH I don't want to load huge package just to read CSV to array, and don't use it again... I have this assignment where I use SVC() and best gridsearchCV() from scikit learn to fit a model. Bit I am getting can not convert string to float. All my X_train data seem to int64 and float64. But y_train data are "yes" and "no".Now, if you enter a string, this is how the output would look: Enter a number (precision up to at least one decimal place)= Hello Please enter a number as per instruction! And, if we give a proper float input, the output would be: Enter a number (precision upto atleast one decimal place)= 16.663 After dividing by 10 we get= 1.6663000000000001.Aug 23, 2023 · STILL GOT QUERIES? Get a Live FREE Demo. Explore the trending and niche courses and learning maps; Learn about tuition fee, payment plans, and scholarships; Get access to webinars and self-paced learning videos How to fix these errors . There are 4 methods to fix this issue. Those are: Remove all characters, and symbols, and extract only the number (using re) Remove leading and trailing unwanted characters (using `str.strip`) Replace the unnecessary character (s) with an empty string (using `str.replace`) Using try-catch logic.Mar 10, 2017 · ValueError: could not convert string to float: 'john_smith' And 'john_smith' is a value from the first column of data (data[:,0]), since I defined this to be a string, I don't even understand why it tries to convert it to a float. Also: 'john_smith' is neither the first or the last element of the data array. So, what is wrong here? Working example: Add a comment. 1. First use this line to obtain the current dtypes: col_dtypes = dict ( [ (k, v.name) for k, v in dict (df.dtypes).items ()]) Like so: xls3 = pd.read_csv ('path/to/file') col_dtypes = dict ( [ (k, v.name) for k, v in dict (xls3.dtypes).items ()]) print (col_dtypes) Copy the value that is printed. It should be like this:Maybe I should use other module to read CSV. I tried pandas right now, and it reads just fine as anyone would have expected, but OTOH I don't want to load huge package just to read CSV to array, and don't use it again... Convert String to Float in Python. Below are 6 common and simple methods used to convert a string to float in python. 1) Using float() function. You can use the float() function to convert any data type into a floating-point number. This method only accepts one parameter. If you do not pass any argument, then the method returns 0.0.Though not the best solution, I found some success by converting it into pandas dataframe and working along. code snippet # convert X into dataframe X_pd = pd.DataFrame(data=X) # replace all instances of URC with 0 X_replace = X_pd.replace(' ',0, regex=True) # convert it back to numpy array X_np = X_replace.values # set the object type as float ...Fix ValueError: could not convert string to float. Solution 1: Ensure the string has a valid floating value. Solution 2: Use try-except. If you convert a string object into a floating-point in Python many times you will get a ValueError: could not convert string to float. Usually, this happens if the string object has an invalid floating value ...Jan 3, 2018 · The problem is that your string is not just '1151226468812.22', but it is '"1151226468812.22"'. It also contains speech marks ( " ). This means that before you convert this to a float, you need to remove the leading and trailing speech marks. Luckily, Python has a very handy string method .strip () to do this for you. Add a comment. 1. First use this line to obtain the current dtypes: col_dtypes = dict ( [ (k, v.name) for k, v in dict (df.dtypes).items ()]) Like so: xls3 = pd.read_csv ('path/to/file') col_dtypes = dict ( [ (k, v.name) for k, v in dict (xls3.dtypes).items ()]) print (col_dtypes) Copy the value that is printed. It should be like this:You should be able to convert strings that look like floats to floats by just using float (mystr). some special things are allowed (e.g. inf, 5e3 , ...) Most probably (if you didn't cut anything off your error message), you forgot to fill out one field and are thus trying to perform float ('').May 25, 2023 · Now, if you enter a string, this is how the output would look: Enter a number (precision up to at least one decimal place)= Hello Please enter a number as per instruction! And, if we give a proper float input, the output would be: Enter a number (precision upto atleast one decimal place)= 16.663 After dividing by 10 we get= 1.6663000000000001. 1. Usually files has empty line at the end so probably you're trying to cast empty string to float. Instead of file_in.read ().split (' ') you could use: for line in file_in.readlines (): x.append (float (line)) Method readlines returns list of all lines from given file and skips last empty line if present. Share..

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