[問題] 用R跑卡方檢定,並計算phi值
[軟體熟悉度]:
入門(寫過其他程式,只是對語法不熟悉)
[問題敘述]:
想利用R跑卡方檢定,並算出phi值,使用vcd library中的assocstats()計算
但跑任何卡方,跑出來Phi-Coefficient值都是NA,
但在SPSS可以跑出來是,例如下面這個可以算出是0.206
[程式範例]:
#all$newage與all$part2D_6為兩個類別變項
assocstats(table(all$newage,all$part2D_6))
執行結果:
X^2 df P(> X^2)
Likelihood Ratio 20.709 4 0.00036158
Pearson 20.667 4 0.00036861
Phi-Coefficient : NA
Contingency Coeff.: 0.202
Cramer's V : 0.206
[環境敘述]:
R version 3.3.2 (2016-10-31)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)
[1] vcd_1.4-3
[關鍵字]:
卡方檢定
vcd
assocstats()
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