为什么不用proc freq呢？

PROC POWER
*调用该过程

MULTREG
*线性回归 tests of one or more coefficients in multiple linear regression

ONECORR
Fishers z test and t test of (partial) correlation

ONESAMPLEFREQ
*单样本二项分布概率 test of a single binomial proportion

ONESAMPLEMEANS
*单样本t检验 one-sample t test, confidence interval precision, or equivalence test

ONEWAYANOVA
*单向方差分析 one-way ANOVA including single-d.f. contrasts

PAIREDMEANS
*配对t检验 paired t test, confidence interval precision, or equivalence test

PAIREDFREQ
*配对的频数分析 McNemars test for paired proportions

TWOSAMPLEMEANS
*两样本t检验 two-sample t test, confidence interval precision, or equivalence test

TWOSAMPLESURVIVAL
*两样本的生存资料分析 log-rank, Gehan, and Tarone-Ware tests for comparing two survival curves

PLOT
*作图 constructs plots for previous sample size analysis

哪位朋友有2乘3的卡方检验功效计算方面的经验，请赐教！

3# gooddrug

2乘2的卡方可以用上面的方法计算，2乘3的卡方检power没法用这个方法，SAS帮助里也没提到！

如果可以，请进一步说明，谢谢！

3# gooddrug

我感觉是所答非所问。说白了，这个问题用proc power 做不了。它只做2×2的表格。