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[SPARK-24572] "eager execution" for R shell, IDE - Spark - [issue] python in SPARK-24215we could also have eager execution when SparkDataFrame is returned to the R shell...    Author: Felix Cheung , 2018-09-18, 23:14
[VOTE] SPARK 2.4.0 (RC1) - Spark - [mail # dev]
...If we could work on this quickly - it might get on to future RCs.________________________________From: Stavros Kontopoulos Sent: Monday, September 17, 2018 2:35 PMTo: Yinan LiCc: Xiao Li; [E...
   Author: Felix Cheung , 2018-09-18, 15:49
[SPARK-21291] R bucketBy partitionBy API - Spark - [issue]
...partitionBy exists but it's for windowspec only...    Author: Felix Cheung , 2018-09-17, 06:07
Should python-2 be supported in Spark 3.0? - Spark - [mail # user]
...I don’t think we should remove any API even in a major release without deprecating it first...________________________________From: Mark Hamstra Sent: Sunday, September 16, 2018 12:26 PMTo: ...
   Author: Felix Cheung , 2018-09-17, 01:19
[SPARK-18569] Support R formula arithmetic - Spark - [issue]
...I think we should support arithmetic which makes it a lot more convenient to build model. Something like  log(y) ~ a + log(x)And to avoid resolution confusions we should support the I()...    Author: Felix Cheung , 2018-09-11, 14:15
[SPARK-18570] Consider supporting other R formula operators - Spark - [issue]
...Such as∗  X∗Y include these variables and the interactions between them^ (X + Z + W)^3 include these variables and all interactions up to three way| X | Z conditioning: includ...    Author: Felix Cheung , 2018-09-11, 14:14
Branch 2.4 is cut - Spark - [mail # dev]
...I’m a bit concern about what Arun is summarizing?We are building on DSv2 and already have to rewrite for bunch of changes in master/2.4, increasing in cost for dev work and release managemen...
   Author: Felix Cheung , 2018-09-10, 09:15
Spark JIRA tags clarification and management - Spark - [mail # dev]
...+1 good idea.There are a few for organizing but some also are critical to the release process, like rel note. Would be good to clarify.________________________________From: Reynold Xin Sent:...
   Author: Felix Cheung , 2018-09-03, 18:04
Jenkins automatic disabling service - who and why? - Spark - [mail # dev]
...I think Jenkins asked again after there was an upgrade - seems to happen when the PR was opened for a few months.________________________________From: Hyukjin Kwon Sent: Monday, September 3,...
   Author: Felix Cheung , 2018-09-03, 18:03
[DISCUSS] move away from python doctests - Spark - [mail # dev]
...+1 on what Li said.And +1 on getting more coverage in unit tests - however often times we omit python unit tests deliberately if the python “wrapper” is trivial. This is what I’ve learned ov...
   Author: Felix Cheung , 2018-08-31, 06:05