Summarized data and descriptive statistics
pandas provides several classes of statistical operations that can be applied to a Series
or DataFrame
object. These reductive methods, when applied to a Series
, result in a single value. When applied to a DataFrame
, an axis can be specified and the method will then be either applied to each column or row and results in a Series
.
The average value is calculated using .mean()
. The following calculates the average of the prices for AAPL
and MSFT
:
In [119]: # calc the mean of the values in each column one_mon_hist.mean() Out[119]: MSFT 47.493182 AAPL 112.411364 dtype: float64
pandas has taken each column and independently calculated the mean for each and returned the results as values in a Series
that ...
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