rafa.pereira

rafa.pereira has asked 41 questions and find answers to 45 problems.

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About

See my blog Urban Demographics or Twitter for some updates on how I've been procrastinating lately
My Google Scholar profile

Key research interests include:

Commuting patterns and Urban accessibility
Spatial organization of cities
Accessibility, Spatial Analysis and GTFS data
Population aging and demographic projections
Justice and Equity issues in transport policies

rafa.pereira questions

texreg table for impacts of spatial lag model
Row operations on selected columns based on substring in data.table
Pass strings as code to summarize multiple columns with data.table
Increase plot resolution in Quarto book using ggplot2
ggplot color conditional on other column with predefined color palette
How to download PDF of academic papers via Google Scholar query using R or Python
Update values in specified columns based on external data table
What does the %<>% operator mean in R? [closed]
Include map scale and north arrow to only one ggplot facet
Expand data.table with combinations of two columns given condition in another column

rafa.pereira answers

Is there a replacement for the int64 package?
In R data.table, add a column which name is based on a string
adding vertical line to ggplot bar plot
Handle ASCII in R
Quick Read and Merge with Data.Table's Fread and Rbindlist
How to read in multiple data tables into R using apply function?
How to get rowSums for selected columns in R
Intersecting Points and Polygons in R
Convert a list of sf objects into one sf
Temporal distance matrix from dates