c2compnames {BSagri} | R Documentation |
Define row names of a contrast matrix, depending on its column names
Description
Define row names of a contrast matrix, depending on its column names, as can be necessary for contrasts matrices. Currently, two options to do that are available.
Usage
c2compnames(cmat, ntype = "aggr")
Arguments
cmat |
a contrast matrix |
ntype |
a single character string,
defining how to build names from the column names of |
Value
The input matrix cmat, with its row names replaced.
See Also
contrMat
in multcomp to define contrast matrices of different types
Examples
# names for interaction contrasts:
n1<-c(10,10,10,10)
names(n1)<-c("A","B","C","D")
n2<-c(3,3,3)
names(n2)<-c(1,2,3)
library(multcomp)
CMT1<-contrMat(n1, type="Tukey")
CMT2<-contrMat(n2, type="Tukey")
IAC<-IAcontrastsCMAT(CMAT1=CMT1, CMAT2=CMT2)
c2compnames(IAC, ntype="aggr")
c2compnames(IAC, ntype="sequ")
###############################
# names for Williams-type contrasts:
n1<-c(10,10,10,10)
names(n1)<-c("C0","D1","D5","D10")
CMW<-contrMat(n1, type="Williams")
CMW
c2compnames(CMW, ntype="aggr")
c2compnames(CMW, ntype="sequ")
[Package BSagri version 0.1-10 Index]