Geographic Information Systems
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Andre Silva

Interested in database, GIS, programming and statistics.

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  • Rio Branco, AC, Brazil
  • Member for 7 years, 11 months
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23 Replace NA's with 0 for raster data using R? Jul 23 '13
21 Understanding ESRI's .asc file Sep 18 '13
20 How to perform a true GIS clip of polygons layer using a polygon layer in R? Jul 19 '14
20 QGIS 2.14.1 LAStools install error: “wrong value for parameter 'Msys folder'…” May 7 '16
16 Determining bare earth DEM from unclassified LAS file? Jul 24 '14
15 Removing columns in a SpatialPolygonsDataFrame in R? Aug 6 '14
15 Plotting map resulted from kriging in R Sep 27 '15
14 Layers with same coordinate system should align/overlap in ArcMap but do not? Mar 15 '13
12 Differences between DEM, DSM and DTM? Apr 5 '13
10 What are LiDAR returns? Apr 17 '15
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