jlhoward

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jlhoward has asked 21 questions and find answers to 342 problems.

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jlhoward questions

Unexpected behavior with data.frame(tag=value, ...)
Documentation on internal variables in ggplot, esp. PANEL
Plotting both horizontal and vertical point ranges simultaneously in ggplot
Scoping of variables in aes(...) inside a function in ggplot
Why is intersect(...) faster than data table join?
Is there a way to create a "star" plot using ggplot?
GGally - unexpected behavior with ggpairs(..., diag = list( continuous = 'density'))
How to set multiple columns in a data table to values from different columns in the same data table?
Choropleth map in ggplot with polygons that have holes
data.table - does setkey(...) create an index or physically reorder the rows in a data table?

jlhoward answers

How to shade specific region under ggplot2 density curve?
Speeding up sqldf in R
Sum dataframe row values based on Shiny slider predicate
Trouble fitting curve to data set
Plot a Region in R
How to fix intercept value of glm
Can a SQL non-equi join task (example below) be done (faster and /or neater) using data.table?
Shiny - Black box appearing when returning NULL to plotOutput
Parseing XML by R always return XML declaration error
Different lowess curves in plot and qplot in R