例题03-08 ttesti 20 146 136 20 113 07,uneTwo-sample t test with unequal variances------------------------------------------------------------------------------ | ObsMeanStd Err Std Dev [95% Conf Inter
例 08-03 (例 ) ranksum r1,by(group)Two-sample Wilcoxon rank-sum (Mann-Whitney) test group |obsrank sumexpected-------------+--------------------------------- 1 | 10 1415 115 2 | 12 1115 138-----------
例 08-08 (例 ) genrank rankx=x oneway rankx group,schAnalysis of VarianceSourceSS dfMSF ProbF------------------------------------------------------------------------Between groups7573626262 3786813137
例题03-03 di 364-196*12/sqrt(200)34736885 di 364+196*12/sqrt(200)38063115 cii 200 364 120Variable | Obs MeanStd Err [95% Conf Interval]-------------+---------------------------------------------------
例 08-01 (例 ) signrankold=new ifold~=newWilcoxon signed-rank testsign |obs sum ranksexpected-------------+---------------------------------positive |211533negative |954533zero |0 0 0-------------+---
例 08-04 (例 ) expand freq(1 zero count ignored; observation not deleted)(70 observations created) dropif freq==0(1 observation deleted) ranksum hanliang ,by(group)Two-sample Wilcoxon rank-sum (Mann-W
例 08-09 (例 ) stacka b c d,into(x) clear rename_stack treat egen id=seq(),t(8) sort id treat genrank rankx=x anovarankx id treat Number of obs =32 R-squared =08207 Root MSE= 481905 Adj R-squared =073
例题07-08 tabi 431 490 902\388 410 800\495 587 950\137 179 32,all | col row | 123 | Total-----------+---------------------------------+---------- 1 | 431490902 | 1,8232 | 388410800 | 1,5983 | 49558795
例 08-02 (例 ) signrank x=float(4530) if x~=float(4530)Wilcoxon signed-rank testsign |obs sum ranksexpected-------------+---------------------------------positive | 1064533negative |1 1533zero |0 0 0-
例 08-07 (例 ) expand freq(2 zero counts ignored; observations not deleted)(46 observations created) drop iffreq==0(2 observations deleted) kwallis wbc,by(disease)Test: Equality of populations (Kruska
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