Merge pull request #212 from cmu-delphi/208-epix_slide-converts-to-a-tibble-rather-than-an-epi_df-incompatible-with-arx_forecaster

Removed as_tibble() calls in archive slide fun

Author: dajmcdon

R/archive.R

@@ -675,7 +675,6 @@ epi_archive =
 
               x = purrr::map_dfr(ref_time_values, function(t) {
                 self$as_of(t, min_time_value = t - before_num) %>%
-                  tibble::as_tibble() %>% 
                   dplyr::group_by(!!!group_by) %>%
                   dplyr::group_modify(comp_one_grp,
                                       f = f, ..., 
@@ -703,7 +702,6 @@ epi_archive =
 
               x = purrr::map_dfr(ref_time_values, function(t) {
                 self$as_of(t, min_time_value = t - before_num) %>%
-                  tibble::as_tibble() %>% 
                   dplyr::group_by(!!!group_by) %>%
                   dplyr::group_modify(comp_one_grp,
                                       f = f, quo = quo,