User Frank - Meta Stack Exchange

Frank

Member for 11 years, 2 months
Last seen more than a month ago

United States

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1

silver badge

Civic Duty

Jun 2, 2015

4

bronze badges

Citizen Patrol

Mar 14, 2014
Commentator

Oct 19, 2013
Critic

Jan 6, 2017

Posts

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Top network posts

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180

Apply a function to every specified column in a data.table and update by reference

142

Select first and last row from grouped data

61

Create a dataframe with random numbers in each column

43

Why is the diag function so slow? [in R 3.2.0 or earlier]

38

Creating dummy variables in R data.table