fix backslash escaping errors in the examples

Author: tjmahr

DESCRIPTION

@@ -49,7 +49,7 @@ Suggests:
     shinystan (>= 2.3.0),
     testthat (>= 2.0.0),
     vdiffr
-RoxygenNote: 7.0.1
+RoxygenNote: 7.0.2
 VignetteBuilder: knitr
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)

R/mcmc-intervals.R

@@ -60,7 +60,7 @@
 #' color_scheme_set("brightblue")
 #' mcmc_intervals(x)
 #' mcmc_intervals(x, pars = c("beta[1]", "beta[2]"))
-#' mcmc_areas(x, regex_pars = "beta\\\[[1-3]\\\]",  prob = 0.8) +
+#' mcmc_areas(x, regex_pars = "beta\\[[1-3]\\]",  prob = 0.8) +
 #'  ggplot2::labs(
 #'    title = "Posterior distributions",
 #'    subtitle = "with medians and 80% intervals"

R/mcmc-scatterplots.R

@@ -220,17 +220,17 @@ mcmc_hex <- function(x,
 #'
 #' # pairs plots
 #' # default of condition=NULL implies splitting chains between upper and lower panels
-#' mcmc_pairs(x, pars = "alpha", regex_pars = "beta\\\[[1,4]\\\]",
+#' mcmc_pairs(x, pars = "alpha", regex_pars = "beta\\[[1,4]\\]",
 #'            off_diag_args = list(size = 1, alpha = 0.5))
 #'
 #' # change to density plots instead of histograms and hex plots instead of
 #' # scatterplots
-#' mcmc_pairs(x, pars = "alpha", regex_pars = "beta\\\[[1,4]\\\]",
+#' mcmc_pairs(x, pars = "alpha", regex_pars = "beta\\[[1,4]\\]",
 #'            diag_fun = "dens", off_diag_fun = "hex")
 #'
 #' # plot chain 1 above diagonal and chains 2, 3, and 4 below
 #' color_scheme_set("brightblue")
-#' mcmc_pairs(x, pars = "alpha", regex_pars = "beta\\\[[1,4]\\\]",
+#' mcmc_pairs(x, pars = "alpha", regex_pars = "beta\\[[1,4]\\]",
 #'            diag_fun = "dens", off_diag_fun = "hex",
 #'            condition = pairs_condition(chains = list(1, 2:4)))
 #' }