sensitivity {popbio} | R Documentation |
Calculate the sensitivities of eigenvalues to changes in the projection matrix elements
sensitivity(A, zero=FALSE)
A |
A projection matrix |
zero |
Set sensitivities for unobserved transitions to zero, default is false |
see section 9.1 in Caswell (2001).
Asensitivity matrix
Chris Stubben
Caswell, H. 2001. Matrix population models: construction, analysis, and interpretation, Second edition. Sinauer, Sunderland, Massachusetts, USA.
data(teasel) sens<-sensitivity(teasel) ## IMAGE plot with smaller boxes image2(sens, mar=c(1,3.5,5,1), box.offset=.1) title("Sensitivity matrix using image2", line=2.5) ## MATPLOT matplot2(sens, log='y', type='b', yaxt='n', ltitle="Fate", ylab=expression(paste("Sensitivity of ",lambda)), main="Sensitivity matrix using matplot2") pwrs<- -4:1 axis(2, 10^pwrs, parse(text=paste("10^", pwrs, sep = "")), las=1)