dnlbrky

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dnlbrky has asked 32 questions and find answers to 57 problems.

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dnlbrky questions

Modify color scale legend guide to match line size in ggplot2
data.table assignment involving factors
Following "next" link with relative paths using rvest
Multiple joins/merges with data.tables
Using strptime %z with special timezone format
Create nested data.tables by collapsing rows into new data.tables
Regression and summary statistics by group within a data.table
Update subset of data.table based on join
Filter S3 list-objects results to find a key matching a pattern
Replace empty strings with None/null values in DataFrame

dnlbrky answers

Cartesian Product using data.table package
EC2: Waiting until a new instance is in running state
How to convert an portion of an XML into a data frame? (properly)
Simple way to delete dataframe rows robust to instances where no rows match deletion criteria
R merge data frames, allow inexact ID matching (e.g. with additional characters 1234 matches ab1234 )
Using strptime %z with special timezone format
Subsetting ffdf objects in R
Create nested data.tables by collapsing rows into new data.tables
R join on like/grep condition
Tidy evaluation programming and ggplot2