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Geographic Information Systems
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rafa.pereira
  • Member for 9 years, 10 months
  • Last seen more than a month ago
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About

  1. See my blog Urban Demographics or Twitter for some updates on how I've been procrastinating lately

  2. 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
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Top posts
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answer
14
List of central coordinates (centroid) for all countries?
Mar 21, 2017
question
12
Downloading historical OpenStreetMap data
Oct 25, 2015
answer
10
Seeking shapefile of hexagons that covers world?
Jul 2, 2018
question
9
Importing GeoParquet file in QGIS
May 11, 2022
question
8
Plot tilted map in R
Apr 14, 2016
question
7
How to convert a shapefile into OSM .PBF format
Dec 7, 2016
answer
7
Plot tilted map in R
Apr 20, 2016
question
6
How to clip a .osm.pbf file to a shapefile in R
Mar 21, 2016
answer
6
How to plot a full hemispheric orthographic projection in R
Oct 7, 2019
answer
5
Removing intersect of one polygon from another using R?
Jan 15, 2017
Top network posts
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142
Extract Month and Year From Date in R
85
Transpose a data frame
61
Eliminating NAs from a ggplot
42
How to use an image as a point in ggplot?
39
R not responding request to interrupt stop process