'Plot cars' presentation slideshows

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???? R ?????????. Computer Program in Education Research and Measurment ??????? ?????????????. RGui. ?????? RGui. Help ?? R. help(print). ???????????????????. ????????????????????? R ???????. exsample.R. # draw a smooth line through a scatter plot

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variables

variables. > a = 24 > b<-25 > sqrt(a+b) > a = "The dog ate my homework" > sub("dog","cat",a) > a = (1+1==3) > a. numeric. character string. logical. variables. paste("X", "Y") paste("X", "Y", sep = " + ") paste("Fig", 1:4) paste(c("X", "Y"), 1:4, sep = "", collapse = " + ")

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Stats Homework (R ) Part 1 of 2

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