… We conclude with a short comparison of the features and a run-time comparison on a typical
… a small run-time comparison instead. We compare the different implementations on some …

… nonparticipants to participants when using a precise matching method, such as NN matching
with a strict caliper. Lack of common support can also lead to issues estimating the effects …

… caliper width on biases due to mismatching in matched samples and due to the difference
between matched … PS, SE in estimates and number of matched pairs by caliper width (SD) with …

… within matched-set differences in the propensity score between … full matching to refer to
optimal full matching. A refinement of optimal full matching is optimal full matching with a caliper …

… required to estimate PS (CS 12.1%, CSS 8.8%), neglected comparisons of baseline …
the width of calipers. Distance is the difference of propensity scores between a matched pair…

… compare the performance of two propensity score matching algorithms called the nearest
neighbor matching and the caliper matching … estimating differences in means and differences …

… still exist if the statistical model used to calculate the propensity score is mis-specified. Thus,
it is … Only NNs within the caliper size can be matched. The caliper argument in the matchit() …

… We varied the caliper width using 0.2 and 0.01 of the standard deviation of the … the mean
number of matched subjects. We only present the results for the matching with a caliper width of …

… how to use propensity score analysis as a tool for estimating treatment effects with … matching
within a caliper width equal to 0.2 or 0.25 of the standard deviation of the propensity score …

… Austin (2011) observed optimal calipers of width equal to 0.2 of the standard deviation of
the logit of the propensity score when estimating differences in means and differences in …