Recent questions tagged dataframe

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Counting the frequency of unique values - R

May 18, 2018 in Data Analytics by nirvana
• 3,130 points
79,630 views
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1 answer
+1 vote
2 answers
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Reordering levels of a factor variable

May 15, 2018 in Data Analytics by DataKing99
• 8,240 points
282 views
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cache tables in apache spark sql

May 4, 2018 in Apache Spark by shams
• 3,660 points
2,449 views
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Renaming columns of dataframes

May 3, 2018 in Python by kaalabilli
• 1,090 points
189 views
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1 answer
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When not to use foreachPartition and mapPartition?

Apr 30, 2018 in Apache Spark by shams
• 3,660 points
6,087 views
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1 answer

data.frame vs matrix

Apr 27, 2018 in Data Analytics by nirvana
• 3,130 points
513 views
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1 answer
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+5 votes
11 answers

Concatenate columns in apache spark dataframe

Apr 26, 2018 in Apache Spark by Shubham
• 13,490 points
68,269 views
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1 answer
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How to save a DataFrame in R??

Apr 20, 2018 in Data Analytics by DataKing99
• 8,240 points
4,291 views
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1 answer
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Changing Column position in spark dataframe

Apr 19, 2018 in Apache Spark by kurt_cobain
• 9,390 points
12,104 views
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1 answer

How to limit output of a dataframe in R?

Apr 18, 2018 in Data Analytics by CodingByHeart77
• 3,740 points
1,998 views
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1 answer
+1 vote
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How to convert dataframe columns from factors to characters?

Apr 13, 2018 in Data Analytics by Sahiti
• 6,380 points
18,660 views
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1 answer

How to create an empty dataframe?

Apr 13, 2018 in Data Analytics by DataKing99
• 8,240 points
806 views
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2 answers
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+4 votes
3 answers

How to sum a variable by group in R?

Apr 13, 2018 in Data Analytics by Dynamic_Coder22
• 180 points
74,236 views
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1 answer

.SD in data.table in R

Apr 13, 2018 in Data Analytics by kappa3010
• 2,090 points
5,330 views
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1 answer

How to convert a list to data frame in R?

Apr 12, 2018 in Data Analytics by DataKing99
• 8,240 points
21,405 views
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1 answer
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