Factor scores after GRM estimation to be appended to dataset

[Paul Kamudoni]

Hi Phil

I have generated factor scores following estimation of GRM - my question is how do I append the factor scores generated to the data.frame used in model estimation ? rather than the factor scores being a separate data frame.

Thanks,

Paul

[Seongho Bae]

Just do this;

mod1 <- mirt(Science, 1)

df <- data.frame(fscores(mod1, QMC = T))

That's it.

Seongho

2017년 8월 29일 화요일 오후 6시 51분 59초 UTC+9, Paul Kamudoni 님의 말:

[Phil Chalmers]

Do you mean just join them onto the original dataset? If so,

mod <- mirt(Science, 1)

fs <- fscores(mod)

newScience <- data.frame(Science, fs)

head(newScience)

Phil

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