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- Function:
`out`=**plot_pairs***(*`data`) - Function:
`out`=**plot_pairs***(*`data`,`plot_type`) - Function:
`out`=**plot_pairs***(*`fig`, …) -
Plot pairs of variables against each other.

`data`is the data holding the variables to plot. It may be either a`table`

or a struct. Each variable or field in the`table`

or struct is considered to be one variable. Each must hold a vector, and all the vectors of all the variables must be the same size.`plot_type`is a charvec indicating what plot type to do in each subplot. (`"scatter"`

is the default.) Valid`plot_type`values are:`"scatter"`

A plain scatter plot.

`"smooth"`

A scatter plot + fitted line, like R’s

`panel.smooth`

does.

`fig`is an optional figure handle to plot into. If omitted, a new figure is created.Returns the created figure, if the output is captured.