summary.microsynth function

Summarizing microsynth Fits and Results

Summary method for class 'microsynth'.

## S3 method for class 'microsynth'
summary(object, ...)

Arguments

• object: A microsynth object produced by microsynth()
• ...: further arguments passed to or from other methods.

Returns

The functions print.microsynth and summary.microsynth displays information about the microsynth fit and estimation results, if available.

The output includes two parts: 1) a matching summary that compares characteristics of the treatment to the synthetic control and the population; and 2) estimated results, in a similar format as they appear when saved to .csv or .xlsx., once for each specified post-intervention evaluation time.

Examples

# Use seattledmi, block-level panel data, to evaluate a crime intervention.

# Declare time-variant (outcome) and time-invariant variables for matching
cov.var <- c('TotalPop', 'BLACK', 'HISPANIC', 'Males_1521',
       'HOUSEHOLDS', 'FAMILYHOUS', 'FEMALE_HOU', 'RENTER_HOU', 'VACANT_HOU')

match.out <- c('i_felony', 'i_misdemea', 'i_drugs', 'any_crime')
set.seed(99199) # for reproducibility

# Perform matching and estimation, without permutations or jackknife
# runtime: < 1 min

sea1 <- microsynth(seattledmi,
                  idvar='ID', timevar='time', intvar='Intervention',
                  start.pre=1, end.pre=12, end.post=16,
                  match.out=match.out, match.covar=cov.var,
                  result.var=match.out, omnibus.var=match.out,
                  test='lower',
                  n.cores = min(parallel::detectCores(), 2))

# View results
summary(sea1)