search for: skin_color

Displaying 3 results from an estimated 3 matches for "skin_color".

2013 Jan 08
4
error in a abline loop
...pe="p", pch=1,lwd=1.0, cex.lab=1.4, cex.axis=1.2, font.axis=2, cex=1.5, las=1, bty="l",col=c("yellow","chocolate1","darkorange2", "red3","saddlebrown","coral4","grey38")[as.numeric(data$skin_color)]) #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ## for (i in 1:7) { subs <- data$skin_color==levels(data$skin_color)[i] line<-lm(body_weight~body_length, data=subset(data, subset=subs), abline(line,col=c(&qu...
2013 Jan 12
1
add categorical labels in plot
Hello I want to draw a plot using the code below. Further, I want to add labels (White, Yellow, Red) to x-axis. Please kindly advise how to add the categorical labels, by modifying the code. Thank you. Elaine Code dataN <-read.csv("H:/skin_color.csv",header=T, row.names=1) dim(dataN) dataN[1,] str(dataN) obs.group<-dataN$skin_color levels(dataN$skin_color) <- skin.code skin.code <- c("White", "Yellow", "Red") # graph par(mai=c(1.03,1.03,0.4,0.4)) p...
2013 Jan 08
2
plot residuals per factor
Dear R-users, I want to plot residuals vs fitted for multiple groups with ggplot2. I try this code, but unsuccessful. library("plyr") models<-dlply(dat1,"d",function(df) mod<-lm(y~x,data=df) ggplot(models,aes(.fitted,.resid), color=factor(d))+ geom_hline(yintercept=0,col="white",size=2)+ geom_point()+ geom_smooth(se=F) -- --- Catalin-Constantin ROIBU