[R] Shade area under curve

I want to shade the area under the curve of the standard normal density. Specifically color to the left of -2 and on. How might i go about doing this? Thanks -- View this message in context: http://n4.nabble.com/Shade-area-under-curve-tp1586439p1586439.html Sent from the R help mailing list arc

Re: [R] If then test

close, So I have a vector, lets say [1] 1.5 1.2 And a matrix [,1] [,2] [1,] 1.9 1.3 [2,]-.2 2 I want to somehow use the first number in my vector(1.5) and compare this number to my whole first column. So I want to see how many times the numbers in column 1<1.5 which should be 1 in thi

[R] If then test

i have a simple question. If i have a 2x2 matrix with [,1] and [,2] i want to test each of these to see if they are below some number. If each component in column is below the number then it returns a 1. Now from this result I would like to add the number of 1's that came up. How can i do this? --