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How to conditionally subtract values in one column from another conditionally selected column with duplicates, in R?

Karima

karima Here is some example data: transactions <-

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How to perform split/merge/melt with Python and polars?

Bart Helder

Bart Helder I have a data transformation problem

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Python Pandas Dataframe manipulation (Excel File)

BrunoA

BrunoA I'm fairly new to Python and I have a issu

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How to compact a dataset with empty rows in Python?

Giammaria Giordano

Giammaria GIORDANO I have a data set formatted as

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When transforming a list of tuples to dataframes is there a way to keep the integers integers?

KansaiRobot

KansaiRobot If I have a list like this lista=[(0.

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How can I stack my dataset so each observation relates to all other observations but itself, within a group?

Victor Shin

Victor Shin EDIT: I took one observation out from

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Pandas. Collapse rows with a certain time difference by summing data in other columns

vasssabi96

vasssabi96 I have a table with time points (times

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R: Frequency Table on Unique Rows in a Dataframe

ltong

ltong I have a dataframe that looks like the foll

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How to detect #N/A in a data frame (data taken from xlsx file) using pandas?

Anil Soren

Anil Soren The blank cells with no data can be ch

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How to sort MultiIndex using values from a given column

Jason

Jason I have a DataFrame with 2-level index and c

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