search for: vitclear

Displaying 2 results from an estimated 2 matches for "vitclear".

2011 Apr 01
2
Cox Proportional Hazards model with a time-varying covariate
...1   5 0 C 4  .   332  10 1 C 3  . 333  16 0 C 3  .   334  -2 1 C 4  .   335  17 0 C 4  . 336  16 0 C 4  .   337  16 1 C 3  .   338  33 1 C 3 20 339  24 0 C 3 11   340  12 1 C 3  .   341  27 1 C 4 18 342   2 1 C 4  .   343  -6 0 C 4  .   344 -20 1 C 4  . 345  14 0 C 3  .   346   3 1 C 3  . ")   vitclear <- data.frame(scan(connection, na.strings=".",   list(PAT=0, RSPTIM=0, TRT=0, CENTER="", DENS=0, INFTIM=0)))   #RSPTIM = time (wks) from randomization to response (censored if negative) #TRT    = 1 for Hyalurise, TRT = 0 for Saline #CENTER = study center (A, B, or C) #DENS  ...
2011 Jun 13
0
Setting up counting process data for survival analysis
...1 5 0 C 4 . 332 10 1 C 3 . 333 16 0 C 3 . 334 -2 1 C 4 . 335 17 0 C 4 . 336 16 0 C 4 . 337 16 1 C 3 . 338 33 1 C 3 20 339 24 0 C 3 11 340 12 1 C 3 . 341 27 1 C 4 18 342 2 1 C 4 . 343 -6 0 C 4 . 344 -20 1 C 4 . 345 14 0 C 3 . 346 3 1 C 3 . ") vitclear <- data.frame(scan(connection, na.strings=".", list(PAT=0, RSPTIM=0, TRT=0, CENTER="", DENS=0, INFTIM=0))) head(vitclear) connection <- textConnection(" PAT RSPTIM CENS TRT DENS CENTER T1 T2 INFCTN 101 2 0 1 3 A 0 2 0 101 4 0 1 3 A 2 4 0 101 6 0 1 3 A 4 6 0 101 7...