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r-tutorial [2011/10/13 14:22] liuyipei |
r-tutorial [2011/10/15 12:05] liuyipei [Problem Set 1 Hints] |
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head(cd0) | head(cd0) | ||
- | cd0< | + | cd0< |
cd0$chole< | cd0$chole< | ||
cd.table< | cd.table< |