Usage
gbm.plot(gbm.object, variable.no = 0, smooth = FALSE, rug = T, n.plots = length(pred.names), common.scale = T, write.title = T, y.label = "fitted function", x.label = NULL, show.contrib = T, plot.layout = c(3, 4), ...)
Arguments
gbm.object
a gbm object - could be one from gbm.step
variable.no
the var to plot - if zero then plots all
smooth
Logical. If TRUE
, a smoothed version of the fitted function is added
rug
Logical. If TRUE
, plot a rug of deciles is plotted
n.plots
plot the first n most important preds
common.scale
Logical. If TRUE
, a common scale is used on the y axis
write.title
Logical. If TRUE
, the plot gets a title
y.label
the default y-axis label
x.label
the default x-axis label
show.contrib
Logical. If TRUE
, the contribution is shown on the x axis
plot.layout
define the default layout for graphs on the page
...
other arguments to pass to the plotting useful options include cex.axis, cex.lab, etc.