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Edward's user avatar
Edward
Assistant professor
  • Member for 9 years, 5 months
  • Last seen more than a week ago
  • Australia/Hong Kong
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22,409
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reached
1,072
answers
8
questions
Collectives
R Language
2024 • Member
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About

Data scientist and father of two.

answer

https://stackoverflow.com/help/someone-answers

regex

Replace matched patterns in a string based on condition

mapply

How to check if pairs from df2 are in pairs of df1 (inclusive) in R?

How to get common values between two columns in R?

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gold badges
19
silver badges
37
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1,432
Score
1,077
Posts
100
Posts %
311
Score
203
Posts
19
Posts %
221
Score
121
Posts
11
Posts %
165
Score
108
Posts
10
Posts %
91
Score
50
Posts
5
Posts %
63
Score
46
Posts
4
Posts %

Top posts

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11
How can I split a vector of numbers into its digits when vector values differ in length?
Aug 7, 2025
9
Split large dataframe in R and output into separate sheets in a single Excel workbook
Mar 24, 2020
7
Conditional counting based on multiple conditions
Sep 2, 2025
7
Simulation results not matching the theoretical answer
Sep 9, 2024
6
How do I index in R so that my data isn't deleted when there are no indices?
Jan 28
6
How do I remove the whitespace around a plotted image?
Apr 5, 2025
6
Remove duplicates across multiple vectors
Feb 19, 2025
6
Timestamp R Sequence Milliseconds
Jun 14, 2020
6
R label with commas but no decimals
Apr 11, 2020
5
Avoiding overlapping labels in geom_textpath
Nov 7, 2025

Top network posts

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6
Degree of freedom issue on chi-square test of goodness of fit