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Efficiently finding the count of column values for distinct rows in a dataframe in r

score 216 · Answer 1 · 2025-01-06 18:15:12

216

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Efficiently finding the count of column values for distinct rows in a dataframe in r

Published on 06 January 2025 at 18:15

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163

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score 93 · Answer 3 · 2025-01-06 18:10:42

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score 171 · Answer 4 · 2025-01-06 18:10:40

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score 325 · Answer 6 · 2025-01-06 18:14:00

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score 754 · Answer 7 · 2025-01-06 18:14:01

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score 729 · Answer 8 · 2025-01-06 18:15:11

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score 402 · Answer 9 · 2025-01-06 18:10:40

402

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619

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List Question

Efficiently finding the count of column values for distinct rows in a dataframe in r

Faster alternative to populating a pre-allocated data frame using a for-loop

Time running program varying wildly on each try?

Inefiecient code on loops. 10000000 loop challenge.

window click event vs a lot of buttons click event

Instantiating C++ objects from QML has tremendous memory usage overhead

Fast row removal and addition in pandas.DataFrame without reallocation

What's the difference in memory between creating an object inside and outside of a loop

Does Slicing `a` (e.g. `a[1:] == a[:-1]`) create copies of the `a`?

How to parse xls file containing multiple sheets, within 50MB of memory, in Java

How can I parse a csv in low memory, using some parser in Java?

get all indexes of value nil in array

Python - dividing a list-of-lists to groups

Efficient way of computing statistics for large/imprecise amount of data

create single bytes instance from sequence of memoryview

How to write a hashmap to a file in a memory efficient format?

Optimizing rails query and associations

NSScrollView infinite / endless scroll | subview reuse

MergeSort, QuickSort or HeapSort?

Efficient modification of the rows of a sparse matrix in Java

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