Merge pull request #149 from cmu-delphi/ml-137-fix-epix_slide-example

[Issue 137] Fix epix slide example

Author: dajmcdon

R/methods-epi_archive.R

@@ -197,7 +197,7 @@ epix_merge = function(x, y, ..., locf = TRUE, nan = NA) {
 #'                       as.Date("2020-06-15"),
 #'                       by = "1 day")
 #' epix_slide(x = archive_cases_dv_subset,
-#'            f = ~ mean(.x$case_rate),
+#'            f = ~ mean(.x$case_rate_7d_av),
 #'            n = 3,
 #'            group_by = geo_value,
 #'            ref_time_values = time_values,