Calculating Mean and SD Using R - HKBUPhonLab.Ep.50
HKBU Phonology Lab
http://arts.hkbu.edu.hk/phonlab/index...
Information about the “plyr” package
https://cran.r-project.org/web/packag...
Sample R code:
install.packages("plyr")
library(plyr)
ddply(data1, c("Gender"), summarise, mean = mean(Test), sd = sd(Test))
data1result = ddply(data1, c("Gender"), summarise, mean = mean(Test), sd = sd(Test))
write.csv(data1result,"data1result.csv", row.names = TRUE)
Thanks to the HKBU Faculty of Arts for the support in the video making.
Lab director: Mingxing Li
Technical assistant: Vesper Liu
Director and camera: Kennix Chow
Copy editing: Tsui Ying Ho