Fix some outdated docs, refine wording on others

- Remove reference to `n` in slide vignette intro.
- Update .Rd files with some older roxygen changes.
- Fix "`time_value`s" -> "time steps" in `detect_outlr_rm` docs, and slightly
  tweak wording.

Author: lcbrooks

R/outliers.R

@@ -128,11 +128,10 @@ detect_outlr = function(x = seq_along(y), y,
 #'   `y`).
 #' @param y Signal values.
 #' @param n Number of time steps to use in the rolling window. Default is 21.
-#'   This value is centrally aligned. When `n` is an odd number, the
-#'   rolling range goes between `(n-1)/2` `time_value`s before to `(n-1)/2`
-#'   `time_value`s after. When `n` is even, then  the
-#'   rolling range goes between `n/2-1` `time_value`s before to `n/2`
-#'   `time_value`s after.
+#'   This value is centrally aligned. When `n` is an odd number, the rolling
+#'   window extends from `(n-1)/2` time steps before each design point to `(n-1)/2`
+#'   time steps after. When `n` is even, then the rolling range extends from
+#'   `n/2-1` time steps before to `n/2` time steps after.
 #' @param log_transform Should a log transform be applied before running outlier
 #'   detection? Default is `FALSE`. If `TRUE`, and zeros are present, then the
 #'   log transform will be padded by 1.

man/detect_outlr_rm.Rd

@@ -11,7 +11,7 @@ A central tool in the `epiprocess` package is `epi_slide()`, which is based on
 the powerful functionality provided in the 
 [`slider`](https://cran.r-project.org/web/packages/slider) package. In
 `epiprocess`, to "slide" means to apply a computation---represented as a
-function or formula---over a running window of `n` time steps. Suitable
+function or formula---over a sliding/rolling data window. Suitable
 groupings can always be achieved by a preliminary call to `group_by()`.
 
 By default, the meaning of one time step is inferred from the `time_value`