You can use the following syntax to reset an index in a pandas DataFrame: df.reset_index(drop=True, inplace=True) Note the following arguments: drop: Specifying True prevents pandas…

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The magnitude of a given vector, x, is calculated as: ||x|| = √x12 + x22 + x32 + … + xn2 For example, suppose x…

You can use one of the following three methods to rename columns in a pandas DataFrame: Method 1: Rename Specific Columns df.rename(columns = {‘old_col1′:’new_col1’, ‘old_col2′:’new_col2’},…

You can use the nunique() function to count the number of unique values in a pandas DataFrame. This function uses the following basic syntax: #count…

You can use the following syntax to get a specific column from a NumPy array: #get column in index position 2 from NumPy array my_array[:,…

You can use the following basic syntax to map a function over a NumPy array: #define function my_function = lambda x: x*5 #map function to…

You can use one of the following methods to add a column to a NumPy array: Method 1: Append Column to End of Array np.append(my_array,…

You can use the following basic syntax to convert a NumPy array to a list in Python: my_list = my_array.tolist() The following examples show how…

You can use the following syntax to convert a column in a pandas DataFrame to an integer type: df[‘col1’] = df[‘col1’].astype(int) The following examples show…

You can use the following basic syntax to convert a list in Python to a NumPy array: import numpy as np my_list = [1, 2,…