[R] how to make a multiple plot

[Dieter Menne]

amy rheanita <amee_86 <at> yahoo.com> writes:

> I'm a student. now, I'm studying Nelson-Siegel Extended, a term structure 
> model. I can analyze - estimate parameters and make aplot  - manually, 
> from data  bond in a day.
> I can analyze bond data in a month, like make multiple plot for different
> bont date and make a multiple
> plot to compare parameters in different date.

Try 

par(mfrow=c(2,2)) 

before creating the plot.

Dieter