Importing Stata datasets into R
Option#1
barbarrier = read.csv("http://www.math.smith.edu/~nhorton/sleuth/case1102.csv")
barbarrier
## BRAIN LIVER TIME TREAT DAYS SEX WEIGHT LOSS TUMOR
## 1 41081 1456164 0.5 BD 10 F 239 5.9 221
## 2 44286 1602171 0.5 BD 10 F 225 4.0 246
## 3 102926 1601936 0.5 BD 10 F 224 -4.9 61
## 4 25927 1776411 0.5 BD 10 F 184 9.8 168
## 5 42643 1351184 0.5 BD 10 F 250 6.0 164
## 6 31342 1790863 0.5 NS 10 F 196 7.7 260
## 7 22815 1633386 0.5 NS 10 F 200 0.5 27
## 8 16629 1618757 0.5 NS 10 F 273 4.0 308
## 9 22315 1567602 0.5 NS 10 F 216 2.8 93
## 10 77961 1060057 3.0 BD 10 F 267 2.6 73
## 11 73178 715581 3.0 BD 10 F 263 1.1 25
## 12 76167 620145 3.0 BD 10 F 228 0.0 133
## 13 123730 1068423 3.0 BD 9 F 261 3.4 203
## 14 25569 721436 3.0 NS 9 F 253 5.9 159
## 15 33803 1019352 3.0 NS 10 F 234 0.1 264
## 16 24512 667785 3.0 NS 10 F 238 0.8 34
## 17 50545 961097 3.0 NS 9 F 230 7.0 146
## 18 50690 1220677 3.0 NS 10 F 207 1.5 212
## 19 84616 48815 24.0 BD 10 F 254 3.9 155
## 20 55153 16885 24.0 BD 10 M 256 -4.7 190
## 21 48829 22395 24.0 BD 10 M 247 -2.8 101
## 22 89454 83504 24.0 BD 11 F 198 4.2 214
## 23 37928 20323 24.0 NS 10 F 237 2.5 224
## 24 12816 15985 24.0 NS 10 M 293 3.1 151
## 25 23734 25895 24.0 NS 10 M 288 9.7 285
## 26 31097 33224 24.0 NS 11 F 236 5.9 380
## 27 35395 4142 72.0 BD 11 F 251 4.1 39
## 28 18270 2364 72.0 BD 10 F 223 4.0 153
## 29 5625 1979 72.0 BD 10 M 298 12.8 164
## 30 7497 1659 72.0 BD 10 M 260 7.3 364
## 31 6250 928 72.0 NS 10 M 272 11.0 484
## 32 11519 2423 72.0 NS 11 F 226 2.2 168
## 33 3184 1608 72.0 NS 10 M 249 -4.4 191
## 34 1334 3242 72.0 NS 10 F 240 6.7 159
Option #2
First we need to set up a way to download packages
install.packages(c("Hmisc", "rms"), repo = "http://R.research.att.com")
##
## The downloaded binary packages are in
## /var/folders/iJ/iJ9eXWNAHciTmS8gWVc7F++++TM/-Tmp-//RtmpRddfYD/downloaded_packages
library(rms)
library(Hmisc)
Now we can use stata.get to read in the Stata dataset
barbarrier2 <- stata.get("~/Bonnie/case1102_stata.dta")
## Loading required package: foreign
barbarrier2
## brain liver time treat days sex weight loss tumor
## 1 41081 1456164 0.5 BD 10 F 239 5.9 221
## 2 44286 1602171 0.5 BD 10 F 225 4.0 246
## 3 102926 1601936 0.5 BD 10 F 224 -4.9 61
## 4 25927 1776411 0.5 BD 10 F 184 9.8 168
## 5 42643 1351184 0.5 BD 10 F 250 6.0 164
## 6 31342 1790863 0.5 NS 10 F 196 7.7 260
## 7 22815 1633386 0.5 NS 10 F 200 0.5 27
## 8 16629 1618757 0.5 NS 10 F 273 4.0 308
## 9 22315 1567602 0.5 NS 10 F 216 2.8 93
## 10 77961 1060057 3.0 BD 10 F 267 2.6 73
## 11 73178 715581 3.0 BD 10 F 263 1.1 25
## 12 76167 620145 3.0 BD 10 F 228 0.0 133
## 13 123730 1068423 3.0 BD 9 F 261 3.4 203
## 14 25569 721436 3.0 NS 9 F 253 5.9 159
## 15 33803 1019352 3.0 NS 10 F 234 0.1 264
## 16 24512 667785 3.0 NS 10 F 238 0.8 34
## 17 50545 961097 3.0 NS 9 F 230 7.0 146
## 18 50690 1220677 3.0 NS 10 F 207 1.5 212
## 19 84616 48815 24.0 BD 10 F 254 3.9 155
## 20 55153 16885 24.0 BD 10 M 256 -4.7 190
## 21 48829 22395 24.0 BD 10 M 247 -2.8 101
## 22 89454 83504 24.0 BD 11 F 198 4.2 214
## 23 37928 20323 24.0 NS 10 F 237 2.5 224
## 24 12816 15985 24.0 NS 10 M 293 3.1 151
## 25 23734 25895 24.0 NS 10 M 288 9.7 285
## 26 31097 33224 24.0 NS 11 F 236 5.9 380
## 27 35395 4142 72.0 BD 11 F 251 4.1 39
## 28 18270 2364 72.0 BD 10 F 223 4.0 153
## 29 5625 1979 72.0 BD 10 M 298 12.8 164
## 30 7497 1659 72.0 BD 10 M 260 7.3 364
## 31 6250 928 72.0 NS 10 M 272 11.0 484
## 32 11519 2423 72.0 NS 11 F 226 2.2 168
## 33 3184 1608 72.0 NS 10 M 249 -4.4 191
## 34 1334 3242 72.0 NS 10 F 240 6.7 159