Where can we find other available functions such as lit() ? I can’t find lit in the api.
Thanks From: Michael Armbrust [mailto:[email protected]] Sent: Friday, October 09, 2015 4:04 PM To: unk1102 Cc: user Subject: Re: How to calculate percentile of a column of DataFrame? You can use callUDF(col("mycol"), lit(0.25)) to call hive UDFs from dataframes. On Fri, Oct 9, 2015 at 12:01 PM, unk1102 <[email protected]<mailto:[email protected]>> wrote: Hi how to calculate percentile of a column in a DataFrame? I cant find any percentile_approx function in Spark aggregation functions. For e.g. in Hive we have percentile_approx and we can use it in the following way hiveContext.sql("select percentile_approx("mycol",0.25) from myTable); I can see ntile function but not sure how it is gonna give results same as above query please guide. -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/How-to-calculate-percentile-of-a-column-of-DataFrame-tp25000.html Sent from the Apache Spark User List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected]<mailto:[email protected]> For additional commands, e-mail: [email protected]<mailto:[email protected]>
