Description Usage Arguments Value Examples
inducing ceiling/floor effects in data
1 | induce.cfe(floor.perc, ceiling.perc, y)
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floor.perc |
a (non-empty) numeric value from 0 to 1 denoting the desired percentage of floor effects |
ceiling.perc |
a (non-empty) numeric value from 0 to 1 denoting the desired percentage of ceiling effects |
y |
a (non-empty) numeric vector of data |
y scores with induced ceiling/floor effects
1 2 3 4 5 | x=rnorm(1000,0,1) #simulate "healthy data"
x.c20=induce.cfe(0,.2,x) #induce 20% ceiling effects into the data
sum(x.c20==max(x.c20))/length(x.c20) #check ceiling percentage
x.f20=induce.cfe(.2,0,x) #induce 20% floor effects into the data
sum(x.f20==min(x.f20))/length(x.f20) #check ceiling percentage
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