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
R统计软件详细介绍（中文版）
