by Suf | Jul 13, 2022 | Programming, R, Tips
This error occurs when you try to create a data frame with vectors with different lengths. The resultant data frame would have a differing number of rows in each column. You can solve the error by checking the lengths of the vectors and filling the shorter vectors...
by Suf | Jul 12, 2022 | Programming, Python, Tips
If you pass an empty string to the str.split() method, you will raise the ValueError: empty separator. If you want to split a string into characters you can use list comprehension or typecast the string to a list using list(). def split_str(word): return [ch for ch in...
by Suf | Jul 11, 2022 | Programming, Python, Tips
If you try to pass a timestamp to the datetime fromtimestamp() method that is out of range, you will raise the ValueError: year is out of range. This error typically is a result of passing a timestamp in milliseconds, while the fromtimestamp() method takes the...
by Suf | Jul 11, 2022 | Programming, Python, Tips
If you try to call an integer as if it were a function, you will raise the error “TypeError: ‘int’ object is not callable”. To solve this error, ensure that you do not override names for built-in functions like int() or round(). For example,...
by Suf | Jul 11, 2022 | Programming, R, Tips
This error occurs when you try to call the n() function from the dplyr package but already have plyr loaded after loading dplyr. Both packages have the functions summarise() or summarize() which use n(). You can solve the error by using the...
by Suf | Jul 10, 2022 | Programming, R, Tips
In order to perform matrix multiplication in R, the number of columns in the left matrix must be the same as the number of rows in the right matrix. This error occurs when you try to multiply two matrices where the number of columns in the left matrix does not match...
