mercredi 24 février 2021

Rstudio: prop.test multiple labels

I have at my disposal the following database

dataset <-data.table(CORRECT=c(52,78,18,27,40,85,59,90), 
TOTAL=c(60,96,26,35,45,85,65,96), 
RANDOMIZATION=factor(c("Control","Test")), 
CASE=factor(c(1,1,2,2,3,3,4,4)))
dataset[, PROP := CORRECT/TOTAL]

I would like to make a comparison test of two proportions (p.value) for each CASE (1,2,3,4) according to RANDOMIZATION (Control, Test) in order to obtain the following table:

CORRECT TOTAL RANDOMIZATION CASE PROP PVALUE
52 60 Control 1 0.86 x.xx
78 96 Test 1 0.81
18 26 Control 2 0.69 x.xx
27 35 Test 2 0.77
40 45 Control 3 0.89 x.xx
85 85 Test 3 1.00
59 65 Control 4 0.91 x.xx
90 96 Test 4 0.94

The idea is then to obtain the following graphical representation :

GRAPH

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