jlhoward

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jlhoward has asked 22 questions and find answers to 345 problems.

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jlhoward questions

Two column x-axis in ggplot2 (group by first, specify second) [duplicate]
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

jlhoward answers

Applying an lm function to different ranges of data and separate groups using data.table
Using nls in R to re-create research
Merge several dataframes in R
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?