Recent questions tagged dataframe

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Add one row to pandas DataFrame

Mar 1, 2019 in Python by ana1504.k
• 7,890 points
407 views
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+3 votes
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Delete row in HBase

Jul 23, 2018 in Database by Data_Nerd
• 2,370 points
318 views
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How to sample random rows in dataframe?

Jul 2, 2018 in Data Analytics by anonymous
127 views
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Randomly subset of data with dplyr

Jun 18, 2018 in Data Analytics by Sahiti
• 6,290 points
101 views
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Drop unused levels from a data frame in R

Jun 14, 2018 in Data Analytics by Sahiti
• 6,290 points
532 views
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1 answer

How to extract a dplyr tbl column as a vector?

Jun 6, 2018 in Data Analytics by DataKing99
• 8,150 points
1,644 views
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Counting the frequency of unique values - R

May 18, 2018 in Data Analytics by nirvana
• 3,060 points
14,173 views
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Reordering levels of a factor variable

May 15, 2018 in Data Analytics by DataKing99
• 8,150 points
62 views
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cache tables in apache spark sql

May 4, 2018 in Apache Spark by shams
• 3,580 points
1,458 views
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Renaming columns of dataframes

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

Apr 30, 2018 in Apache Spark by shams
• 3,580 points
3,750 views
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data.frame vs matrix

Apr 27, 2018 in Data Analytics by nirvana
• 3,060 points
121 views
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+5 votes
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Concatenate columns in apache spark dataframe

Apr 26, 2018 in Apache Spark by Shubham
• 13,380 points
49,815 views
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How to save a DataFrame in R??

Apr 20, 2018 in Data Analytics by DataKing99
• 8,150 points
1,482 views