Displaying 2 results from an estimated 2 matches for "hedegaard".
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smedegaard
2013 Feb 28
3
Hidden information in an object
...If I write the code like library(MASS)cats$ratio <- cats$Hwt/cats$Bwtmale <- cats$ratio[cats$Sex == "M"]... it also works, which I suppose is because there is a correspondence between the "Sex" variable and the "ratio" variable in the cats dataset. Regards,Rasmus Hedegaard.
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2013 Feb 15
2
Making the plot window wider and using the predict function
...t;- data.frame(Bwt = 3.5)
predict(linreg0,newData,interval="p")
This doesn't work - my guess is that to R, "Bwt" is not a variable in maleData, but maleData$Bwt is. I could use an attach command, but is it possible to get this to work without doing so?
Kind regards,
Rasmus Hedegaard.
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