From 2c8f40cea113b597fbaf1cdd80a5b8bdd66155fb Mon Sep 17 00:00:00 2001
From: "wm624@hotmail.com" <wm624@hotmail.com>
Date: Fri, 10 Jun 2016 12:46:22 -0700
Subject: [PATCH] [SPARK-15766][SPARKR] R should export is.nan

## What changes were proposed in this pull request?

When reviewing SPARK-15545, we found that is.nan is not exported, which should be exported.

Add it to the NAMESPACE.

## How was this patch tested?

Manual tests.

Author: wm624@hotmail.com <wm624@hotmail.com>

Closes #13508 from wangmiao1981/unused.
---
 R/pkg/NAMESPACE | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/R/pkg/NAMESPACE b/R/pkg/NAMESPACE
index 239ad065d0..ba386da2aa 100644
--- a/R/pkg/NAMESPACE
+++ b/R/pkg/NAMESPACE
@@ -185,6 +185,8 @@ exportMethods("%in%",
               "isNaN",
               "isNotNull",
               "isNull",
+              "is.nan",
+              "isnan",
               "kurtosis",
               "lag",
               "last",
-- 
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