Displaying 1 result from an estimated 1 matches for "twodi".
Did you mean:
twopi
2006 Oct 23
2
getting the by() function to work properly
...bservations in cov/cor"
I hope I've provided all the necessary info (the data set is attached just in case anyone has the time to make it work), but I'd be glad to give more if its needed. I would really appreciate any suggestions at all. Thanks in advance.
f3=function(x) {
+
+ twodied=x[died==2,];
+ twosaved=x[saved==2,];
+ hit2=x[saved==2 & choice=="+",];
+ fa2=x [died==2 & choice=="+",]; d2=(qnorm(((nrow(hit2))/(nrow(twosaved))))-qnorm((nrow(fa2))/(nrow(twodied))));
+ hitrate=((nrow(hit2))/(nrow(twosaved))); FArate=((nrow(fa2))/(nrow(twodie...