Machine Learning, Data Science, Technology, Python, Data Engineering.
example dataset df = vaex.example() print(df) # calculate the mean and standard deviation mean = df.mean(df.x) std = df.std(df.x) # print the results print("mean:", mean) print("std:", std) df_negative = df[df.x < 0] print(df_negative) # Create a categorical column that determines if x is positive