> I have two vectors and connect the points by line segments: > > x <- c(1990,1994,1995,1997) > y <- c(30,40,80,20) > plot(x,y,type="l") > > I want to get the values of y's on these lines at missing x's, > i.e., at 1991,1992,1993,and 1996. Is there a simple way to do this? > Easy: approx(x, y, c(1991:1993, 1996))$y while approx(x, y, 1990:1997)$y will give you all the y values.
Hope this helps, Ray Brownrigg <[EMAIL PROTECTED]> http://www.mcs.vuw.ac.nz/~ray ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
