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...