Dear Manuel, Take a look at the linear.hypothesis function in the car package.
I hope this helps, John -------------------------------- John Fox Department of Sociology McMaster University Hamilton, Ontario Canada L8S 4M4 905-525-9140x23604 http://socserv.mcmaster.ca/jfox -------------------------------- > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Manuel > Gutierrez > Sent: Thursday, February 10, 2005 1:36 PM > To: r-help@stat.math.ethz.ch > Subject: [R] testing slopes different than a given value > > In a multiple linear regression with two independent > variables is there any function in R to test for the > coefficients being different than some given values? > Example: > x1<-rnorm(100) > x2<-rnorm(100) > y<-3+0.6*x1+0.3*x2 > lm(y~x1+x2) > Obtain a test for the coefficients for x1 being different > than 0.6 and for x2 different than 0.3 Thanks Manuel > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html