R统计软件详细介绍（中文版） 

step.........................28table........................27uniroot......................16strwrap......................21tail...........................7update.......................27subset.......................11tapply.......................13update.packages..............5substr.......................18terrain.colors................23upper.tri.....................16summary....................14Tinn-R......................35surv?t.......................33tolower......................17

W

Sweave......................34topo.colors...................23windows.....................23system........................4toupper......................17with.........................20system.time..............16,34transform....................12

T

t.............................15

tseries.......................29

U

X

xlsReadWrite.................8

t.test........................28unique.......................11xtable........................9

40