dplyr
https://www.listendata.com/2016/08/dplyr-tutorial.htmlsummarise_ifとかsummrise_allとかのがよさげ 基本 x<-rnorm(1000) y<-rnorm(1000) z<-rnorm(1000) g<-sample(1:5,1000,replace=T) s<-data.frame(x,y,z,g) s%>% group_by(g) %>% dplyr::summarise_e…
https://www.listendata.com/2016/08/dplyr-tutorial.htmlsummarise_ifとかsummrise_allとかのがよさげ 基本 x<-rnorm(1000) y<-rnorm(1000) z<-rnorm(1000) g<-sample(1:5,1000,replace=T) s<-data.frame(x,y,z,g) s%>% group_by(g) %>% dplyr::summarise_e…
