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Teng Keng Vang

Teng Keng Vang

ecology · gis · geography

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    Minimum Convex Polygon for Home Range Estimate

    One of the most surprising things for me is the search terms that lead people to my website. MCP is actually the top search term. So while… Read more “Minimum Convex Polygon for Home Range Estimate”

    November 12, 2018November 12, 2018 by tK

    Mosaic, or merge, rasters in R

    Please note: For some reason WordPress is garbling up this post. The full unannotated script for this is presented at the very bottom. To do a mosaic… Read more “Mosaic, or merge, rasters in R”

    November 12, 2018November 12, 2018 by tK

    MCP, KDE, and LoCoH

    Three of the most popular methods of home range estimation right now are the minimum convex polygon (MCP), kernel density estimation (KDE), and local convex hull (LoCoH).… Read more “MCP, KDE, and LoCoH”

    August 23, 2017August 22, 2017 by tK

    Local convex hull or LoCoH in R

    The local convex hull method of home range estimation is a relatively recent technique. It was developed in 2004 by Getz and Wilmers. You can read the… Read more “Local convex hull or LoCoH in R”

    August 18, 2017May 1, 2018 by tK

    Transforming Coordinates from Lat Long to UTM

    If you’re new to the world of movement and spatial ecology, its likely that you have all of your coordinates in latitude and longitude (lat long for… Read more “Transforming Coordinates from Lat Long to UTM”

    August 15, 2017August 19, 2017 by tK

    Using R to Calculate KDE Home Ranges

    Update: The code for using the adehabitatHR package is given below. Beneath the code will follow my original blog post for informative purposes. Please note, if you… Read more “Using R to Calculate KDE Home Ranges”

    August 11, 2017November 20, 2018 by tK

    Look at the Kitties

    They’re hidden very well. I heard them before I saw them. A hiss and a low growl. I was privileged to be a part of the team… Read more “Look at the Kitties”

    May 20, 2017 by tK

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