Blog
How to Solve R Error: $ operator is invalid for atomic vectors
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...
How to Solve TypeError: Cannot perform ‘rand_’ with a dtyped [object] array and scalar of type [bool]
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, ensure that you...
How to Solve Python TypeError: float() argument must be a string or a number, not ‘list’
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...
How to Solve Python TypeError: ‘map’ object is not subscriptable
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 Python 2 syntax...
How to Solve Python TypeError: int() argument must be a string, a bytes-like object or a number, not ‘list’
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 list to...
How to Solve Python TypeError: first argument must be an iterable of pandas objects, you passed an object of type “DataFrame”
You can concatenate multiple Series or DataFrames using the pandas.concat() method. If you pass the multiple DataFrames to the concat method without using square brackets, you will raise the TypeError: first argument must be an iterable of pandas objects, you passed...
How to Solve Pandas TypeError: no numeric data to plot
You can only plot numeric data when using Pandas. If you try to plot with non-numeric data, the Python interpreter will raise the TypeError: no numeric data to plot. This error typically occurs when you have strings representing numbers in your DataFrame. To solve...
Python UnboundLocalError: local variable referenced before assignment
If you try to reference a local variable before assigning a value to it within the body of a function, you will encounter the UnboundLocalError: local variable referenced before assignment. The preferable way to solve this error is to pass parameters to your function,...
Python JSONDecodeError: Expecting value: line 1 column 1 (char 0)
If you try to parse invalid JSON or decode an empty string as JSON, you will encounter the JSONDecodeError: Expecting value: line 1 column 1 (char 0). This error can occur if you read an empty file using json.load, read an empty JSON or receive an empty response from...
Python ValueError: min() arg is an empty sequence
The min() function is built into Python and returns the item with the smallest value in an iterable or the item with the smallest value from two or more objects of the same type. When you pass an iterable to the min() function, such as a list, it must have at least...