python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - propensity-score-matching

PSM in R with specific lines

to get matched pairs due to PSM ("Matchit"-Package and Method = full) i need to specifiy my command for my longitudinal data frame. Every Case has several obeservations but i only need the f...
test-img

Simon Dach

r

matching

longitudinal

propensity-score-matching

Votes: 0

Answers: 1

Latest Answer

My udnerstanding is that you want to create matches at just the first time point but have those matches be identified for each unit at all time points. Fortunatly, this is pretty straightforward: just...
test-img

Noah

Fewer subclasses generated than requested using MatchIt subclassification

I am trying to do a propensity score stratification using MatchIt::matchit(method = "subclass"). I want to understand why I get a warning message: Due to discreteness in the distance measure...
test-img

sky_0502

r

matching

propensity-score-matching

Votes: 0

Answers: 1

Latest Answer

Unfortunately it is quite hard to diagnose this without the data. One possibility is that the propensity score doesn't take on enough values for 5 subclasses. For example, if the propensity score only...
test-img

Noah

Posts

Questions

Blogs

Jobs