robustify pairsplot smooth

fgcz · Aug 26, 2024 · 6e04309 · 6e04309
1 parent 73e40d5
commit 6e04309
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Showing 2 changed files with 11 additions and 5 deletions.
diff --git a/R/utilities.R b/R/utilities.R
@@ -459,9 +459,15 @@ panel_cor <- function(x, y, digits = 2, ...)
 #' pairs_smooth(tmp,main="small data", diag.panel=panel_hist)
 #' pairs_smooth(tmp,log="xy",main="small data", legend=TRUE)
 #' @seealso also \code{\link{pairs}}
-pairs_smooth <- function(dataframe, legend = FALSE, ...) {
+pairs_smooth <- function(data, legend = FALSE, ...) {
+  while (nrow(na.omit(data)) < 100) {
+    non_na_counts <- apply(data, 2, function(x) sum(!is.na(x)))
+    min_col <- which.min(non_na_counts)
+    data <- data[, -min_col, drop = FALSE]
+  }
+
   pairs(
-    dataframe,
+    data,
     upper.panel = function(x, y) {
       graphics::smoothScatter(x, y, add = TRUE)
       graphics::abline(

diff --git a/man/pairs_smooth.Rd b/man/pairs_smooth.Rd