skinRcmdr - summary(RegModel.1 heights data x11 new...

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Sheet1 Page 1 # Two examples of scatter plots, correlation and regression lines library(Rcmdr) # Skin Cancer Data skin <- read.table("Skin.csv", header=TRUE, sep=",", na.strings="NA", dec=".", strip.white=TRUE) showData(skin, placement='-20+200', font=getRcmdr('logFont'), maxwidth=80, maxheight=30) scatterplot(mortality~latitude, reg.line=lm, smooth=TRUE, spread=TRUE, boxplots='xy', span=0.5, data=skin) cor(skin[,c("latitude","mortality")], use="complete.obs") RegModel.1 <- lm(mortality~latitude, data=skin)
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Unformatted text preview: summary(RegModel.1) # heights data x11() # new graphics window heights <- read.table("heights.txt", header=TRUE, sep="", na.strings="NA", dec=".", strip.white=TRUE) showData(heights, placement='-20+200', font=getRcmdr('logFont'), maxwidth=80, maxheight=30) scatterplot(Dheight~Mheight, reg.line=lm, smooth=TRUE, spread=TRUE, boxplots='xy', span=0.5, data=heights) cor(heights[,c("Dheight","Mheight")], use="complete.obs") RegModel.2 <- lm(Dheight~Mheight, data=heights) summary(RegModel.2)...
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