[R] contour plot or persp plot with log scale?

Hi. Is it possible to draw a contour plot (with contour or filled contour) or a a surface plot (with persp or persp3d) with the z axis in a log scale? Gilbert __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE

Re: [R] IAA test on my multinomial logit

If I'm not wrong, the test for IIA is the Hausman test. Look for hausman.systemfit in the systemfit package. Gilbert - Original Message - From: Erika Known [EMAIL PROTECTED] To: r-help@r-project.org Sent: Tuesday, October 14, 2008 11:43 AM Subject: [R] IAA test on my multinomial