Fix variance computation

kazuyanagimoto · Sep 9, 2024 · a9ca70e · a9ca70e
1 parent 8e6ee8d
commit a9ca70e
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diff --git a/DESCRIPTION b/DESCRIPTION
@@ -1,7 +1,7 @@
 Type: Package
 Package: unitdid
 Title: Unit-level Difference-in-Difference Estimator
-Version: 0.0.6
+Version: 0.0.6.1
 Authors@R: 
     person(given = "Kazuharu",
            family = "Yanagimoto",

diff --git a/NEWS.md b/NEWS.md
@@ -10,6 +10,7 @@ New Features:
 Bug Fixes:
 
 - `varerr` and `coverr` is not correctly estimated when `k_min` is not 0
+- Formula for `varerr` and `coverr` was incorrect (v0.0.6.1)
 
 ## 0.0.5
 

diff --git a/R/compute_projection.R b/R/compute_projection.R
@@ -128,7 +128,7 @@ altepsilon_ek <- function(data, iname, tname, ename, k_min, e, k) {
 
   mean_epsilon <- data |>
     dplyr::filter(!!rlang::sym(ename) + k_min > e + k,
-                  !!rlang::sym(tname) < e + k) |>
+                  !!rlang::sym(tname) < e + k_min) |>
     dplyr::summarize(mean_epsilon = stats::weighted.mean(zz000ytilde,
                                                          w = zz000w),
                      .by = !!rlang::sym(iname))