by Suf | Jul 18, 2022 | Programming, Python, Tips
This error occurs when you try to call the trim() method on a string to remove whitespace. You can solve the error by using the strip() method to remove leading and trailing whitespace from the string. For example, my_str = ‘ Python ‘ clean_str =...
by Suf | Jul 18, 2022 | Programming, Python, Tips
This error occurs when you try to call len() on a list object. len() is a built-in function, which returns the length of an iterable. You can solve this error by passing the list to the len() function to get the list. For example, my_lst = [2, 4, 6, 8, 10] length =...
by Suf | Jul 17, 2022 | Programming, R, Tips
This error occurs when you attempt to fit a model and two or more predictor variables are perfectly correlated. You can solve this error by using the cor() function to identify the variables with a perfect correlation and drop one of the variables from the model. This...
by Suf | Jul 16, 2022 | Programming, R, Tips
This error occurs if you try to perform a logical comparison in an if-statement with a zero-length variable. This error can happen if you define a variable with zero length or if you attempt to access a column of a data frame that does not exist. You can solve the...
by Suf | Jul 16, 2022 | Programming, Python, Tips
This error occurs if you try to call the sort() method on an integer as if it were a list. You can solve this error by ensuring you do not assign an integer to a variable name for an existing list that you want to sort. For example, my_int = 14 my_list = [17, 222, 23,...
by Suf | Jul 15, 2022 | Programming, Python, Tips
This error occurs when you pass an incorrect mode to an open() function call. If you want to open a file for both reading and writing you can use r+ only if the file exists. You can use w+ if the file does not exist or if you do not mind overriding an existing file....
