Improved error message if equal frequency discretization fails.

mhahsler · May 14, 2018 · 872678d · 872678d
1 parent dc708c4
commit 872678d
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/R/discretize.R b/R/discretize.R
@@ -56,7 +56,7 @@ discretize <- function(x, method = "frequency", breaks = 3,
   )
 
   if(any(duplicated(breaks))) 
-    stop("Some breaks are not unique, use fewer breaks for the data.")
+    stop("Some breaks are not unique. Change breaks or consider using method 'fixed'.")
 
   ### fix first and last to -/+Inf
   if(infinity) {

diff --git a/man/discretize.Rd b/man/discretize.Rd
@@ -1,10 +1,11 @@
 \name{discretize}
 \alias{discretize}
+\alias{binning}
 \alias{discretizeDF}
 %- Also NEED an '\alias' for EACH other topic documented here.
 \title{Convert a Continuous Variable into a Categorical Variable}
 \description{
-This function implements several basic unsupervised methods to convert continuous variables into a categorical variables (factor) suitable for association rule mining. For convenience, a whole data.frame 
+This function implements several basic unsupervised methods to convert a continuous variable into a categorical variable (factor) using different binning strategies. For convenience, a whole data.frame 
 can be discretized (i.e., all numeric columns are discretized).
 }
 \usage{