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New posts in data-manipulation

Split a data frame into overlapping dataframes

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Search and replace string in a very big file

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pandas merge on date column issue

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data.table or dplyr - data manipulation

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Split pandas dataframe column based on number of digits

python pandas dataframe data-manipulation

Efficiently center a large matrix in R

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Number of firms per year using dplyr or datatable

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Can I access an object in C++ other than using an expression?

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Select nth element from multidimensional JSON array with jq

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Create a variable capturing the most frequent occurence by group

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How do you handle the fetchxml result data?

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Pivot cateorical values into boolean columns SQL

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Cumulative Sum of a division with varying denominators R

r data.table dplyr data-manipulation

Postgres: convert single row to multiple rows (unpivot)

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Generating a moving sum variable in R

r data-manipulation

Fast way to split string and convert to long format in data.table

r substring data.table data-manipulation

Clean R data frame so that in a column no row value is bigger than 2 times next row value

r dataframe data-manipulation data-cleaning

Windows command for cutting columns from a text

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Looking for a sequential pattern with condition

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Using group by and tidy to run several models and extract results to dataframe

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