Henrik

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Henrik has asked 17 questions and find answers to 373 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

R: changing the size of some (but not all) plotted data points according to their weighting
Add colour and a position dodge to select years in a plot, using ggplot2
How to get the most frequent level of a categorical variable in R
Trouble displaying contours in R and ggplot with basic dataset
Find and label matching pairs of parentheses
Forward looking time series filter
Data frame row rearrange
Do we need to convert single elements of j to a list when the overall result of j is a list anyway?
Why can't I remove current observation using .I in data.table?
How to assign list as observation in data table?