mars.dataframe.DataFrame.plot.hist¶
- DataFrame.plot.hist(*args, **kwargs)¶
Draw one histogram of the DataFrame’s columns.
A histogram is a representation of the distribution of data. This function groups the values of all given Series in the DataFrame into bins and draws all bins in one
matplotlib.axes.Axes
. This is useful when the DataFrame’s Series are in a similar scale.- 参数
by (str or sequence, optional) – Column in the DataFrame to group by.
bins (int, default 10) – Number of histogram bins to be used.
**kwargs – Additional keyword arguments are documented in
DataFrame.plot()
.
- 返回
class – Return a histogram plot.
- 返回类型
matplotlib.AxesSubplot
参见
DataFrame.hist
Draw histograms per DataFrame’s Series.
Series.hist
Draw a histogram with Series’ data.
实际案例
When we draw a dice 6000 times, we expect to get each value around 1000 times. But when we draw two dices and sum the result, the distribution is going to be quite different. A histogram illustrates those distributions.
(Source code, png, hires.png, pdf)