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Uwe Block

Interested in interactive data visualisation, R, shiny, RStudio, data.table, creating packages, git, ...

I owe so much to the community for what I've learned from others I want to return something if possible.

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Top Questions
Top Answers
84
Split comma-separated strings in a column into separate rows
stackoverflow.com

62
How to choose variable to display in tooltip when using ggplotly?
stackoverflow.com

62
Reverse stacked bar order
stackoverflow.com

61
How to maintain size of ggplot with long labels
stackoverflow.com

43
Transform year/week to date object
stackoverflow.com

29
How to force specific order of the variables on the X axis?
stackoverflow.com

29
Using ggplot2, can I insert a break in the axis?
stackoverflow.com

27
Cleaning up factor levels (collapsing multiple levels/labels)
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22
ggplot2 change axis limits for each individual facet panel
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21
How to apply a function to a subset of data.table using by and exposing all columns to the function?
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18
How do I arrange a variable list of plots using grid.arrange?
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16
Convert four digit year values to class Date
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15
Efficiently convert a date column in data.table
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14
dynamic ggplot layers in shiny with nearPoints()
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14
R data.table: mean for many columns
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14
R: Round down dates to first day of the week
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13
Error with R dplyr left_join
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13
data.table in R - multiple filters using multiple keys - binary search
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13
Color points with the color as a column in ggplot2
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12
Find overlapping dates for each ID and create a new row for the overlap
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12
Why are my functions on lubridate dates so slow?
stackoverflow.com

12
R data.table sum of group subset using dates
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11
How to Add Data Labels to ggplot
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10
Join tables based on multiple ranges in R
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10
What is the fastest way to get a vector of sorted unique values from a data.table?
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10
Update/Replace Values in Dataframe with Tidyverse Join
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10
Recode a variable using data.table
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10
better string interpolation in R
stackoverflow.com

9
Nested ifelse statement
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9
melt dataframe - multiple columns - “Enhanced (new) functionality from data.tables”
stackoverflow.com

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