| Chz2006 {agricolae} | R Documentation |
Incidents and performance of healthy tubers and rotten potato field infested with naturally Ralstonia solanacearum Race 3/Bv 2A, after application of inorganic amendments and a rotation crop in Carhuaz Peru, 2006.
data(Chz2006)
The format is: List of 2
amendmentcropblockplantwilt_percenthealthrotApplication of inorganic amendment and crop rotation to control bacterial wilt of the potato (MBP).
Experimental field, 2006. Data Kindly provided by Pedro Aley.
International Potato Center. CIP - Lima Peru.
library(agricolae) data(Chz2006) str(Chz2006) wilt<-Chz2006$wilt yield<-Chz2006$yield means <- tapply.stat(wilt[,5],wilt[,1:3],function(x) mean(x,na.rm=TRUE)) names(means)[4]<-"wilt_percent" model <- aov(wilt_percent ~ block + crop, means) anova(model) cv.model(model) yield<-yield[order(paste(yield[,1],yield[,2],yield[,3])),] correlation(means[,4],yield[,4],method="spearman")