Blog Archives

A new RStudio addin to facilitate inserting tables in rmarkdown documents

April 3, 2018
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In the last months, I started increasingly using Rmd documents for preparing scientific reports, blog posts, etcetera. While I really like the flexibility offered by the system, one thing that I thought could be improved is the support for easily inserting tables. So, “inspired” also by the recent addition of the excellent insert image addin in blogdown, I decided to give it a go and try...

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Automatically importing publications from bibtex to a hugo-academic blog

March 14, 2018
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Automatically importing publications from bibtex to a hugo-academic blog

The problem I am in the process of migrating my (rather ugly) small blog from “Bloggers” to `blogdown` and, as several others, I choose to use the hugo-academic theme due to its good looks, simplicity, and “focus” towards researchers. One nice feature of hugo-academic is that it includes out-of-the-box a “Publications” section, allowing researchers to easily create a list of their publication as a section of the...

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Speeding up spatial analyses by integrating `sf` and `data.table`: a test case

February 20, 2018
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Speeding up spatial analyses by integrating `sf` and `data.table`: a test case

The problem Last week, I replied to this interesting question posted by @Tim_K over stackoverflow. He was seeking efficient solutions to identify all points falling within a maximum distance of xx meters with respect to each single point in a spatial points dataset. If you have a look at the thread, you will see that a simple solution based on creating a...

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MODIStsp 1.3.3 is out – Speeding things up and squashing some bugs !

August 16, 2017
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MODIStsp 1.3.3 is out – Speeding things up and squashing some bugs !

  A new version of MODIStsp (1.3.3) is on CRAN as of today ! Below, you can find a short description of the main improvements.Processing speed improvements   Processing of MODIS layers after download (i.e., scale and offset calibration, computation of Spectral Indexes and Quality Indicators) is now much faster.  As you can see in the figure, processing time was almost...

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Building a website with pkgdown: a short guide

August 1, 2017
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Building a website with pkgdown: a short guide

As promised in my last post, here is a short guide with some tips and tricks for building a documentation website for an R package using pkgdown.In the end, this guide ended up way longer than I was expecting, but I hope you'll find it useful, although it often replicates information already available in pkgdown documentation !Prerequisites To build a website using pkgdown, all you need...

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The new MODIStsp website (based on pkgdown) is online !

July 25, 2017
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The new MODIStsp website (based on pkgdown) is online !

The MODIStsp website, which lay abandoned since several months on github pages, recently underwent a major overhaul thanks to pkgdown. The new site is now available at http://lbusett.github.io/MODIStsp/ We hope that the revised website will allow to navigate MODIStsp-related material much more easily than either github or the standard CRAN documentation, and will therefore help users in better and more easily exploiting...

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MODIStsp (v 1.3.2) is on CRAN !

April 18, 2017
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MODIStsp (v 1.3.2) is on CRAN !

We are glad to report that MODIStsp is now also available on CRAN ! From now on, you can therefore install it by simply using:install.packages("MODIStsp")In v 1.3.2 we also added the functionality to automatically apply scale and offset coefficients on MODIS original values according with the specifications of single MODIS products. Setting the new "Scale output values" option to...

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MODIStsp v.1.3.1 released !

February 13, 2017
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MODIStsp v.1.3.1 released !

 "MODIStsp" is a R package allowing automatic download and preprocessing of MODIS Land Products time series, available at this https://github.com/lbusett/MODIStsp github page (See also here for additional information) v1.3.1 adds functionality for processing of MODIS snow cover products, accelerated download, processing of specified portions of years, plus various bug fixing and improvements.MODIStsp: the main processing GUISee here...

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MODIStsp v1.3.0 released – adds support for Collection 6 datasets

November 7, 2016
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MODIStsp v1.3.0 has been finally released !It adds the much-needed functionality for downloading and preprocessing MODIS Collection 006 datasets. Off-line preprocessing of already downloaded hdf images was also improved, and the GUI was a bit revamped to improve user-friendliness (A detailed changelog can be found here).  More detailed usage instructions were also added to the main github page, and...

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MODIStsp: a new "R" package for MODIS Land Products preprocessing

September 16, 2016
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MODIStsp: a new "R" package for MODIS Land Products preprocessing

In this post, we are introducing MODIStsp, a new  "R" package allowing to automatize the creation of time series of rasters derived from Land Products data derived from MODIS satellite data (github.com/lbusett/MODIStsp; www.sciencedirect.com/science/article/pii/S0098300416303107. Development of MODIStsp started from modifications of the ModisDownload "R" script by Thomas Hengl (spatial-analyst.net/wiki/index.php?title=Download_and_resampling_of_MODIS_images), and successive adaptations by Babak Naimi (r-gis.net/?q=ModisDownload). Their functionalities were gradually...

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