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rpropensity-score-matching
Hello
Hello

Reputation: 181

How to use MatchIT R package to use caliper width on logit of the propensity score instead of the propensity score?

The R package MatchIT uses a caliper width on the standard deviation of the propensity score. Is there a way to use logit of the propensity score?

Upvotes: 2

Views: 837

Answers (1)

Noah
Noah

Reputation: 4414

Yes. In the link argument, specifiy link = "linear.logit". Below is an example:

m <- matchit(A ~ X1 + X2, data = data, method = "nearest",
             distance = "glm", link = "linear.logit",
             caliper = .2)

This does nearest neighbor matching on the logit of the propensity score with a caliper of .2 standard deviations of the logit of the propensity score.

Upvotes: 3

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