Creating Scatter Plot by Groups in R - HKBUPhonLab.Ep.49

HKBU Phonology Lab http://arts.hkbu.edu.hk/phonlab/index.html # Information about the R package “ggplot2”. https://cran.r-project.org/web/packages/ggplot2/index.html # Shapes and specific numbers. http://www.sthda.com/english/wiki/ggplot2-point-shapes # Sample r code: install.packages("ggplot2") library(ggplot2) ggplot(data1, aes(x= Quiz, y= Test, color= Gender)) + geom_point(shape=19) ggplot(data1, aes(x= Quiz, y= Test, color= Gender)) + geom_point(shape=19, size=3) ggplot(data1, aes(x= Quiz, y= Test, color= Gender)) + geom_point(shape=19, size=3) + geom_smooth(method=lm) ggplot(data1, aes(x= Quiz, y= Test, color= Gender)) + geom_point(shape=19, size=3) + geom_smooth(method=lm , se= FALSE) 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