Monday, February 4, 2008

HW 3 #13

We'll see if this is right in class...

#13

generate logdollars = log(dollars)

generate logdisabil = log(disabil)

generate loghospdays = log(hospdays)

regress logdollars logdisabil loghospdays

predict h, leverage

predict z, rstandard

predict t, rstudent

predict deltatab1, dfbeta(logdisabil)

predict cook, cooksd

display invttail(26,.025)

label variable deltatab1 "Delta Beta for log[disabil]"

scatter deltatab1 t, c(i l) s(o i)

sort t

list h z t deltatab1 cook in -3/-1

regress logdollars logdisabil loghospdays if id ~= 1

display (.90955 - .8168)/.13148

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