statsmodels.graphics.gofplots.ProbPlot.ppplot
-
ProbPlot.ppplot(xlabel=None, ylabel=None, line=None, other=None, ax=None, **plotkwargs)
[source] -
P-P plot of the percentiles (probabilities) of x versus the probabilities (percetiles) of a distribution.
Parameters: xlabel, ylabel : str or None, optional
User-provided lables for the x-axis and y-axis. If None (default), other values are used depending on the status of the kwarg
other
.line : str {?45?, ?s?, ?r?, q?} or None, optional
Options for the reference line to which the data is compared:
- ?45? - 45-degree line
- ?s? - standardized line, the expected order statistics are scaled by the standard deviation of the given sample and have the mean added to them
- ?r? - A regression line is fit
- ?q? - A line is fit through the quartiles.
- None - by default no reference line is added to the plot.
other :
ProbPlot
instance, array-like, or None, optionalIf provided, the sample quantiles of this
ProbPlot
instance are plotted against the sample quantiles of theother
ProbPlot
instance. If an array-like object is provided, it will be turned into aProbPlot
instance using default parameters. If not provided (default), the theoretical quantiles are used.ax : Matplotlib AxesSubplot instance, optional
If given, this subplot is used to plot in instead of a new figure being created.
**plotkwargs : additional matplotlib arguments to be passed to the
plot
command.Returns: fig : Matplotlib figure instance
If
ax
is None, the created figure. Otherwise the figure to whichax
is connected.
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