Henrik

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Henrik has asked 17 questions and find answers to 409 problems.

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Henrik questions

Do we need to convert single elements of j to a list when the overall result of j is a list anyway?
Expanding window (cumulative calculation) in data.table: how to improve performance
Subset a list - a plyr way?
Remove legend labels using label = FALSE in guide_legend, or labels = NULL in discrete_scale
Brew and knit one PDF report split by variable with special characters (å æ ø) - encoding issue
Parse dates in format dmy together with dmY using parse_date_time
Changing factor levels on a column with setattr is sensitive for how the column was created
Use `j` to select the join column of `x` and all its non-join columns
Align different plot shapes
How to avoid that anytime(<numeric>) "updates by reference"?

Henrik answers

Find the closest enclosing FALSE value positions
Reorder data.table rows so that no two consecutive rows are the same
Save plot as SVG removing stroke on filled symbols
Hyphen (`-`) in R package versions
Location in a vector of a certain value, applying the mentioned location to extract the value from another vector
Splitting one Column to Multiple R and Giving logical value if true
Replacing NAs in R dataframe with zeros conditional on an id
Labeling X-axis Values by Group
Simple moving average on an unbalanced panel in R
tapply function complains that args are unequal length yet they appear to match