is not so complete. You may use scala
documentation as reference, and try if some method is supported in SparkR.
From: jianshu Weng [jian...@gmail.com]
Sent: Wednesday, July 15, 2015 9:37 PM
To: Sun, Rui
Cc: user@spark.apache.org
Subject: Re: [SparkR] creating dataframe
suppose df - jsonFile(sqlContext, json file)
You can extract hashtags.text as a Column object using the following command:
t - getField(df$hashtags, text)
and then you can perform operations on the column.
You can extract hashtags.text as a DataFrame using the following command:
t -
Thanks.
t - getField(df$hashtags, text) does return a Column. But when I tried
to call t - getField(df$hashtags, text), it would give an error:
Error: All select() inputs must resolve to integer column positions.
The following do not:
* getField(df$hashtags, text)
In fact, the text field in df
