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AVS
  • Member for 7 years, 8 months
  • Last seen more than a week ago
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20
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Good knowledge & experience

  • C++
  • Python
  • Latex
  • Tikz

Currently learning how to walk

  • R
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Top posts
View all questions, answers, and articles
4
Why does count( distinct ) with NULL columns return 0 in Hive SQL?
Aug 9, 2017
3
How to merge data frames where column1 is substring of column2
May 7, 2017
1
How to group by in Pandas, have function with argument on all groups and return argument
Jun 30, 2017
1
How to rank columns of a same row in Oracle SQL
Jun 19, 2018
0
Apply inner join on two tables constructed with minus
Feb 13, 2017
0
How to pass comma in string via rHadoopClient?
May 11, 2017
0
What is the best way to manipulate rows in subset of data frame?
May 15, 2017
0
Is there a way to group by approximate values in R?
May 30, 2017
0
Determine if substring corresponds to specific code (character types) in SQL
Jul 28, 2017
0
Efficient way of matching two large tables on substring in Hive SQL
Aug 2, 2017