Recent questions tagged dataframe

0 votes
1 answer

Add one row to pandas DataFrame

Mar 1 in Python by ana1504.k
• 7,890 points
273 views
0 votes
1 answer
0 votes
1 answer
+3 votes
1 answer
0 votes
1 answer

Delete row in HBase

Jul 23, 2018 in Database by Data_Nerd
• 2,360 points
220 views
0 votes
1 answer

How to sample random rows in dataframe?

Jul 2, 2018 in Data Analytics by anonymous
61 views
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer

Randomly subset of data with dplyr

Jun 18, 2018 in Data Analytics by darklord
• 6,190 points
54 views
0 votes
1 answer

Drop unused levels from a data frame in R

Jun 14, 2018 in Data Analytics by darklord
• 6,190 points
305 views
0 votes
1 answer

How to extract a dplyr tbl column as a vector?

Jun 6, 2018 in Data Analytics by DataKing99
• 8,130 points
333 views
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
9 answers
0 votes
2 answers
0 votes
1 answer
0 votes
1 answer
0 votes
2 answers

Counting the frequency of unique values - R

May 18, 2018 in Data Analytics by nirvana
• 3,060 points
5,714 views
0 votes
1 answer
0 votes
2 answers
0 votes
1 answer

Reordering levels of a factor variable

May 15, 2018 in Data Analytics by DataKing99
• 8,130 points
34 views
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer

cache tables in apache spark sql

May 4, 2018 in Apache Spark by shams
• 3,580 points
920 views
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer

Renaming columns of dataframes

May 3, 2018 in Python by kaalabilli
• 1,090 points
33 views
0 votes
1 answer
0 votes
1 answer

When not to use foreachPartition and mapPartition?

Apr 30, 2018 in Apache Spark by shams
• 3,580 points
2,647 views
0 votes
1 answer

data.frame vs matrix

Apr 27, 2018 in Data Analytics by nirvana
• 3,060 points
49 views
0 votes
1 answer
0 votes
2 answers
+5 votes
11 answers

Concatenate columns in apache spark dataframe

Apr 26, 2018 in Apache Spark by Shubham
• 13,350 points
35,609 views
0 votes
1 answer
0 votes
1 answer

How to save a DataFrame in R??

Apr 20, 2018 in Data Analytics by DataKing99
• 8,130 points
627 views
0 votes
1 answer

Changing Column position in spark dataframe

Apr 19, 2018 in Apache Spark by kurt_cobain
• 9,280 points
5,139 views
0 votes
1 answer

How to limit output of a dataframe in R?

Apr 18, 2018 in Data Analytics by CodingByHeart77
• 3,690 points
65 views
0 votes
1 answer
+1 vote
1 answer
0 votes
1 answer