From: Benjamin Auder <benjamin.auder@somewhere>
Date: Thu, 30 Apr 2020 11:49:20 +0000 (+0200)
Subject: Error when K > d for computeMu and optimParams
X-Git-Url: https://git.auder.net/images/%7B%7B%20asset%28%27mixstore/css/store/DESCRIPTION?a=commitdiff_plain;h=4b2f17bb108bab0f263619cfe00eabfb1e9b8860;p=morpheus.git

Error when K > d for computeMu and optimParams
---

diff --git a/pkg/R/computeMu.R b/pkg/R/computeMu.R
index bc52bb3..f961fde 100644
--- a/pkg/R/computeMu.R
+++ b/pkg/R/computeMu.R
@@ -46,6 +46,8 @@ computeMu = function(X, Y, optargs=list())
     large_ratio <- ( abs(Σ[-d] / Σ[-1]) > 3 )
     K <- if (any(large_ratio)) max(2, which.min(large_ratio)) else d
   }
+  else if (K > d)
+    stop("K: integer >= 2, <= d")
 
   # Step 1: generate a family of d matrices to joint-diagonalize to increase robustness
   d = ncol(X)
diff --git a/pkg/R/optimParams.R b/pkg/R/optimParams.R
index 8dfe3dc..175150f 100644
--- a/pkg/R/optimParams.R
+++ b/pkg/R/optimParams.R
@@ -45,8 +45,8 @@ optimParams <- function(X, Y, K, link=c("logit","probit"), M=NULL, nc=0)
   if (!is.numeric(Y) || any(is.na(Y)) || any(Y!=0 & Y!=1))
     stop("Y: binary vector with 0 and 1 only")
   link <- match.arg(link)
-  if (!is.numeric(K) || K!=floor(K) || K < 2)
-    stop("K: integer >= 2")
+  if (!is.numeric(K) || K!=floor(K) || K < 2 || K > ncol(X))
+    stop("K: integer >= 2, <= d")
 
   if (is.null(M))
   {