Book Image

Python Data Analysis

By : Ivan Idris
Book Image

Python Data Analysis

By: Ivan Idris

Overview of this book

Table of Contents (22 chapters)
Python Data Analysis
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Key Concepts
Online Resources
Index

Statistics with pandas DataFrames


The pandas DataFrame has a dozen statistical methods. The following table lists these methods along with a short description:

Method

Description

describe

This method returns a small table with descriptive statistics.

count

This method returns the number of non-NaN items.

mad

This method calculates the mean absolute deviation, which is a robust measure similar to the standard deviation.

median

This method returns the median. This is equivalent to the value at the 50th percentile.

min

This method returns the lowest value.

max

This method returns the highest value.

mode

This method returns the mode, which is the most frequently occurring value.

std

This method returns the standard deviation, which measures dispersion. It is the square root of the variance.

var

This method returns the variance.

skew

This method returns skewness. Skewness is indicative of the distribution symmetry.

kurt

This method returns kurtosis...