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- Aggregate / summarize multiple variables per group (e.g. sum, mean)
- How to convert a factor to integer\numeric without loss of information?
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- Split data frame string column into multiple columns
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- Generate a dummy-variable
- How to write trycatch in R
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- How to generate permutations or combinations of object in R?
- How can two strings be concatenated?
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- Use of ~ (tilde) in R programming Language
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- Conditional merge/replacement in R
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- Convert integer to class Date
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- How to unload a package without restarting R
- What does %>% function mean in R?
- as.Date with dates in format m/d/y in R
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- How to load packages in R automatically?
- Order of operator precedence when using “:” (the colon)
- ending “+” prompt in R
- R: How to handle times without dates?
- Remove backslashes from character string
- List distinct values in a vector in R
- Different legend-keys inside same legend in ggplot2
- Convert a dataframe to a vector (by rows)
- Dollar sign before a variable