search for: birth_weight

...some basic understanding of statistics, I roughly understand the formulas, but then I don't know how to recreate them in R.) Does anyone have an example? So far I have done this: library(lmsqreg) centiles <- c(0.004,0.02,0.09,0.25,0.5,0.75,0.91,0.98,0.996) lms.fit <- lmsqreg.fit(boys.o$BIRTH_WEIGHT,boys.0$GEST_AGE,edf=c(3,5,3),pvec=centiles) plot(lms.fit) points(boys.0$GEST_AGE,boys.0$BIRTH_WEIGHT) I also plotted the median and the coefficient of variation by gestation age, but then I'm struggling to find the correct command to plot the Box-Cox power by gestation age. (Does it makes sens...