search for: medinfo_2001

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2004 Mar 11
0
ridit()
I have tried to encode a ridit function. (cf. Bross IDJ: How to use ridit analyses. In: Biometrics 1958(14): 18-38. Application e.g.: Goossen WTF. Exploiting the Nursing Minimum Data Set for the Netherlands. In: Medinfo 2001 2001: 1334-1338. http://cmbi.bjmu.edu.cn/2001/medinfo_2001/Papers/Ch16/Goossen.pdf.) Questions and hints: - Is there already a ridit function in R? - Argument ``b.sel.attrs'' could be omitted. - Perhaps there are more efficient ways than calculating: viq.ridit <- apply( t( t(x) * vjq.ridit.attr ), 1, sum, na.rm=T ) / apply( x, 1, sum,...