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https://issues.apache.org/jira/browse/SPARK-10863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14934307#comment-14934307
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Oscar D. Lara Yejas commented on SPARK-10863:
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Spark data types are different than R's. For example:
Spark R
double -> numeric
string -> character
int -> integer
Method coltypes() shows the corresponding R types of a Spark DataFrame
My implementation uses method dtypes() under the covers.
> Method coltypes() to return the R column types of a DataFrame
> -------------------------------------------------------------
>
> Key: SPARK-10863
> URL: https://issues.apache.org/jira/browse/SPARK-10863
> Project: Spark
> Issue Type: New Feature
> Components: SparkR
> Affects Versions: 1.5.0
> Reporter: Oscar D. Lara Yejas
> Fix For: 1.5.1
>
>
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