by Suf | May 1, 2022 | Programming, R, Tips
If you try to use the $ operator to access an element of an atomic vector, you will raise the error $ operator is invalid for atomic vectors. You can solve this error by using single [] or double square brackets [[]], use the getElement() function, or convert the...
by Suf | Apr 29, 2022 | Programming, Python, Tips
If you try to filter a pandas DataFrame using more than one expression but do not use parentheses around each expression you will raise the TypeError: Cannot perform ‘rand_’ with a dtyped [object] array and scalar of type [bool]. To solve this error,...
by Suf | Apr 29, 2022 | Programming, Python, Tips
You cannot convert a list to a floating-point number. If you try to pass a list as an argument to the built-in float() method, you will raise the TypeError: float() argument must be a string or a number, not ‘list’. If you want to convert the elements of a...
by Suf | Apr 27, 2022 | Programming, Python, Tips
In Python 3, a map object is an iterator and is not subscriptable. If you try to access items inside a map object using the subscript operator [], you will raise the TypeError: ‘map’ object is not subscriptable. This error typically occurs when using...
by Suf | Apr 27, 2022 | Programming, Python, Tips
You cannot convert a list to an int. If you try to pass a list as an argument to the built-in int() method, you will raise the TypeError: int() argument must be a string, a bytes-like object or a number, not ‘list’. If you want to convert the elements of a...