psa.strata | R Documentation |

Propensity Score Analysis using Stratification

```
psa.strata(Y, Tr, strata, trim = 0, minStrata = 5)
```

`Y` |
response variable. |

`Tr` |
treatment variable. |

`strata` |
strata identifier. |

`trim` |
allows for a trimmed mean as outcome measure, where trim is from 0 to .5 (.5 implying median). |

`minStrata` |
minimum number of treatment or control units within a strata to include that strata. |

a character vector containing summary.strata, ATE, se.wtd, approx.t, df, and CI.95.

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