change col name in epix_slide example

Author: mgyliu

NAMESPACE

@@ -1,5 +1,6 @@
 # Generated by roxygen2: do not edit by hand
 
+S3method("[",epi_df)
 S3method(arrange,epi_df)
 S3method(as_epi_df,data.frame)
 S3method(as_epi_df,epi_df)
@@ -79,5 +80,3 @@ importFrom(tidyr,unnest)
 importFrom(tidyselect,eval_select)
 importFrom(tidyselect,starts_with)
 importFrom(tsibble,as_tsibble)
-importFrom(utils,head)
-importFrom(utils,tail)

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,