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Matthew
Matthew has asked
12
questions and find answers to
9
problems.
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317
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12
questions
9
answers
About
Matthew questions
Avoid conflicts between vector and variable name in dplyr
Define a new method with only a few changes
Looping over rows in a dataframe
Create lagged variable in unbalanced panel data in R
"update by reference" vs shallow copy
Immutable types and performances
Using setDT inside a function
Fill in missing values by group in data.table
Matthew answers
Searching for a straightforward way to do Stata's bysort tasks in R
Create lagged variable in unbalanced panel data in R
Cut() error - 'breaks' are not unique
In Sublime Text 3, can I send a selection of a do file to Stata?
Compute sum_i f(i) x(i) x(i)' fast?
Non-standard evaluation (NSE) in dplyr's filter_ & pulling data from MySQL
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