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-rw-r--r--R/pkg/R/mllib.R3
1 files changed, 3 insertions, 0 deletions
diff --git a/R/pkg/R/mllib.R b/R/pkg/R/mllib.R
index 971c16658f..b901307f8f 100644
--- a/R/pkg/R/mllib.R
+++ b/R/pkg/R/mllib.R
@@ -696,6 +696,9 @@ setMethod("predict", signature(object = "KMeansModel"),
setMethod("spark.mlp", signature(data = "SparkDataFrame"),
function(data, layers, blockSize = 128, solver = "l-bfgs", maxIter = 100,
tol = 1E-6, stepSize = 0.03, seed = NULL) {
+ if (is.null(layers)) {
+ stop ("layers must be a integer vector with length > 1.")
+ }
layers <- as.integer(na.omit(layers))
if (length(layers) <= 1) {
stop ("layers must be a integer vector with length > 1.")