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David Moore's user avatar
David Moore's user avatar
David Moore
  • Member for 6 years, 4 months
  • Last seen this week
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I'm a graduate student at the University of New Hampshire studying syrup production and tree physiology.

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Top posts
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7
Rearranging a 'ggplot2' Legend to Mix and Match Different Levels
Sep 26, 2020
4
Summing Entries in Multiple Unequally-Sized Data Frames With Some (but not All) Rows and Columns the Same
Sep 8, 2021
3
Determining All Combinations but With a Grouping Variable
May 30, 2022
3
Is there an easy way to tell if many data frames stored in one list contain the same columns?
Jun 29, 2019
2
Using Run-Length Encoding and Generating Sums
Apr 11
2
Efficiently subtracting many columns
Mar 23, 2018
2
Grouping columns and performing functions on subsets of columns
May 29, 2018
2
Determining All Possible Combinations of Items With a Grouping Variable, Allowing for Different Numbers of Items From Each Original Groups
Jul 8, 2022
2
Assigning values to a new column based on values in an existing column
Jul 15, 2018
2
Determining All Possible Combinations of Items With a Grouping Variable
Jun 9, 2022
Top network posts
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7
Is There a Way to Connect Two Batteries in Parallel Without an Immediate Voltage Equalization?
6
Expected Value of the Difference Between the Powers of Two Randomly Selected Numbers From a Standard Normal Distribution
5
A Probability Distribution Whose Variance Doesn't Change as You Raise it to Higher and Higher Positive Integer Powers