Noah

Noah has asked 2 questions and find answers to 13 problems.

Stats

About

Statistical consultant and programmer at Harvard IQSS. Author and maintainer of several R packages for causal inference, including MatchIt, WeightIt, and cobalt, among others.

I have expertise in propensity score methods, matching, causal inference, linear regression, logistic regression, and programming in R.

Noah questions

Noah answers

Error in rep(" ", spaces1) : invalid 'times' argument
How to create an edgelist from a dataframe (expand, group_by?)
Piping second or higher argument in native pipe
Set.seed() in combination with for loop
Taking a mean of two vectors in R [duplicate]
I did the 1:3 propensity matching but the turnout shows 1:2.7 ratio, but the SMD results are very ideal, is this correct?
what does "~0" mean in the R model matrix
Describe Function in R (Setting precision digits)
R: Conditional cumulative sum/rollover along a column
R packages cem and MatchIt: Different imbalance measure