crd {doebioresearch} | R Documentation |
The function gives ANOVA, R-square of the model, normality testing of residuals, SEm (standard error of mean), SEd (standard error of difference), interpretation of ANOVA results and multiple comparison test for means
crd(data, trt.vector, MultipleComparisonTest)
data |
dependent variables |
trt.vector |
vector containing treatments |
MultipleComparisonTest |
0 for no test, 1 for LSD test, 2 for Duncan test and 3 for HSD test |
ANOVA, interpretation of ANOVA, R-square, normality test result, SEm, SEd and multiple comparison test result
data<-data.frame(Treatments=c("T1","T2","T3","T4","T5","T6","T7","T1","T2","T3","T4","T5","T6",
"T7","T1","T2","T3","T4","T5","T6","T7"),
yield=c(25,21,21,18,25,28,24,25,24,24,16,21,20,17,16,19,14,15,13,11,25),
height=c(130,120,125,135,139,140,145,136,129,135,150,152,140,148,130,135,145,160,145,130,160))
#CRD analysis with LSD test for yield only
crd(data[2],data$Treatments,1)
#CRD analysis with LSD test for both yield and height
crd(data[2:3],data$Treatments,1)