nowosad

nowosad, 26 days ago to random

🔥 Thrilled to receive the MSCA Fellowship for my project, PRISM🔥

Over the next two years, I'll be based at the University of Münster, collaborating with Hanna Meyer to incorporate understanding of spatial patterns into machine learning algorithms.

https://buff.ly/4aJEmaX

Looking forward to this experience (starting in August).

#MSCAFellowship #spatialpatterns #rspatial

msca logo

nowosad, 1 month ago to random

❔ Do you know of any #rstats packages that can be used to compare two spatial rasters? Please let me know!❔

(I am working on a short paper on this topic -- I will share it in the future)

#rspatial #foss4g #spatialpatterns #gischat

nowosad, 1 month ago to random

🌱 The vectormetrics package calculates landscape and shape metrics for vector layers.
It reimplements the most common landscape metrics and adds many new metrics related to the shape of polygons. 🌱

Try it at https://buff.ly/3VPCgCj

#rstats #rspatial #landscapeecology

printscreen of the readme
printscreen of the readme
printscreen of the readme

nowosad, 1 month ago to random

Thrilled to announce that I'll be delivering the keynote talk "Spontaneous growth of the 'geocompx' FOSS4G community" at the FOSS4G Europe conference.

Learn more about this event at https://buff.ly/43M2U0R

I hope to see you in Tartu in July!

#foss4g #geocompx #gischat

nowosad, 2 months ago to random

🌍 May 22-23, 2024🌎

I will teach a two-day online workshop about modern approaches to work on and
visualize spatial data in R.

Learn more at https://buff.ly/3UKQ9kF

Email me if you have any questions!

#rstats #rspatial #gischat

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nowosad, 3 months ago to random

🌍 May 22-23, 2024🌎

I will teach a two-day online workshop about modern approaches to work on and visualize spatial data in R.

Learn more at https://buff.ly/3UKQ9kF

Email me if you have any questions!

#rstats #rspatial #gischat

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andrew, 3 months ago to random

This is a really neat paper that argues that more detailed grading systems (e.g, A–F) are worse for student motivations and outcomes than more simpler ones https://doi.org/10.1016/j.jebo.2023.12.001

It tracks with my own check-based grading system (✓, ✓+, and ✓−), and now I have more evidence backing that up :)

Plus it uses a cool quasi-experimental design that combines regression discontinuity and diff-in-diff

My own grading system details: Problem sets To practice writing R code, running inferential models, and thinking about causation, you will complete a series of problem sets. You need to show that you made a good faith effort to work each question. I will not grade these in detail. The problem sets will be graded using a check system: ✔+: (33 points (110%) in gradebook) Assignment is 100% completed. Every question was attempted and answered, and most answers are correct. Document is clean and easy to follow. Work is exceptional. I will not assign these often. ✔: (30 points (100%) in gradebook) Assignment is 70–99% complete and most answers are correct. This is the expected level of performance. ✔−: (15 points (50%) in gradebook) Assignment is less than 70% complete and/or most answers are incorrect. This indicates that you need to improve next time. I will hopefully not asisgn these often.
Difference in discontinuity plot showing a lack of student improvement around a January 1 grade cutoff after the introduction of an A-F grade system in Sweden

nowosad, 3 months ago to random

Excited to announce that I'll be giving a plenary talk at the Spanish R Conference in Sevilla on Nov 7-8, 2024! 🌍

I will explore the landscape of #rspatial--diving into its current strengths, addressing gaps, and charting the course for future advancements.

https://www.imus.us.es/congresos/IIIRqueR/

See you there!

#rstats #rspatial #gischat

A screenshot of the conference website

nowosad, 3 months ago to random

The new version of supercells is on CRAN.

It is a clean version in preparation for the upcoming improvements.

Learn more at https://buff.ly/3NSTx9i.

#rstats #rspatial #spatialsegmentation

An example of spatial segmentation
An example of spatial segmentation
An example of spatial segmentation

nowosad, 3 months ago to random

A few days ago, I've submitted an abstract for the FOSS4G Europe 2024 conference.

It is about the geocompx books and community.

You can read it at https://buff.ly/3I5d16Y.

#rspatial #geopython #geocompx

nowosad, 4 months ago to random

There is a new blog post at #geocompx:

"An overview of the rsi R package for retrieving satellite imagery and calculating spectral indices" by Mateusz Rydzik.

Read it at https://geocompx.org/post/2024/rsi-bp1/

#rstats #remotesensing #stac

Screenshot of the blog post
Screenshot of the blog post

nowosad, 4 months ago to random

The Geocomputation with R just gained two section by Emmanuel Blondel:

1. On geographic web services: https://r.geocompx.org/read-write#geographic-web-services
2. On geographic metadata: https://r.geocompx.org/read-write#geographic-metadata

#rstats #rspatial #geocompx

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nowosad, 5 months ago to random

"Simulating spatial patterns with the spatial kinetic Ising model"

My new blog post introduces an #rstats package spatialising.

Read it at https://jakubnowosad.com/posts/2023-12-17-spatialising-bp1/

#rspatial #gischat #spatialmodels

A printscreen of a part of the blog post
A printscreen of a part of the blog post

nowosad, 5 months ago to python

Say hi to ‘Geocomputation with Python’!

Our new blog post introduces the book about working with spatial data in Python.

https://geocompx.org/post/2023/geocompy-bp1/

#geopython #python #geocompx #gischat

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nowosad, 5 months ago to random

"Finding the most unique land cover spatial pattern"

My new blog post shows how to compare spatial patterns of two different areas and find the most unusual land cover spatial pattern: https://jakubnowosad.com/posts/2023-12-03-motif-bp8/

#rstats #rspatial #landscapeecology

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nowosad, 6 months ago to random

🎆 The version of 2.1 of the landscapemetrics package is now on CRAN.🎆

It brings some bug fixes and many speed improvements.

https://cran.r-project.org/package=landscapemetrics

#rstats #rspatial #landscapeecology #spatialpatterns

nowosad, 6 months ago to random

Do you want to see your image on the cover of the second edition of Geocomputation with R?

We just started a book cover competition!

Learn more: https://geocompx.org/post/2023/map-cover-competition/

#rstats #rspatial #geocompr

A screenshot of the blog post second part
A screenshot of the blog post introduction

nowosad, 6 months ago to random

You can find links to all of the OpenGeoHub Summer School 2023 recordings and materials at https://github.com/Nowosad/OGH_summer_school_2023.

Learn about #rspatial #geopython #juliageo

#gischat

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nowosad, 6 months ago to random

"R-spatial beyond sf" by @josi

This blog post explains how sf objects are built and then mentions lower-level packages such as geos, wk, and s2 that provide access to geometries and algorithms outside the context of sf.
These packages are often more performant but require a different approach.

Read it all at https://geocompx.org/post/2023/beyond-sf/.

#rstats #rspatial #gischat #geocompx

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nowosad, 6 months ago to random

Do you have any experience with the crosstalk? If so -- you may help with the tmap package development.

See https://github.com/r-tmap/tmap/issues/807.

#rstats #rspatial #tmap

nowosad, 7 months ago to random

My recent talk "Analysis of Spatial Patterns: Current State and Future Challenges" presented at IIASA explores methods for quantification and exploration of spatial patterns.

You can find the slides at https://jakubnowosad.com/iiasa2023/.

#rstats #rspatial #spatialpatterns #landscapeecology

A slide showing that two metrics can group properties of categorical rasters
A slide showing an example of searching for areas with similar topography to the Suwalski Landscape Park
A slide showing an example of using spquery R package

nowosad, 7 months ago to random

Floris Vanderhaeghe (https://fosstodon.org/@florisvdh) explained quickly but extensively what is possible when using the qgisprocess R package.

"Interfacing QGIS processing algorithms from R"

Watch at: https://www.youtube.com/watch?v=Qt5DzWThWqI

#rstats #rspatial #qgis

nowosad, 8 months ago to random

🎥 A few weeks ago I gave an improvised talk "Sharing your geospatial knowledge in the open" -- it shows how to create #quarto slides, websites, and books in the context of #openscience and #foss4g software.🎥

You can watch it at https://www.youtube.com/live/AUt-GOZJQaY?feature=shared&t=323.

#rstats #rspatial #openscience

nowosad, 8 months ago to random

You can find a list of the OpenGeoHub summer school 2023 (#ogh2023
[https://fosstodon.org/tags/ogh2023]) workshop materials at
https://github.com/Nowosad/OGH_summer_school_2023
[https://github.com/Nowosad/OGH_summer_school_2023].

#rspatial [https://fosstodon.org/tags/rspatial] #geopython
[https://fosstodon.org/tags/geopython] #juliageo
[https://fosstodon.org/tags/juliageo] #gischat
[https://fosstodon.org/tags/gischat]

Repo readme
Repo readme
Repo readme

nowosad, 8 months ago to random

⚠️ rgdal, rgeos, and maptools won’t be available on CRAN after October 2023. ⚠️

What are the consequences of this change? What do you need to do as a user and
as a developer?

Read my blog post at https://geocompx.org/post/2023/rgdal-retirement/
[https://geocompx.org/post/2023/rgdal-retirement/]

#rstats [https://fosstodon.org/tags/rstats] #rspatial
[https://fosstodon.org/tags/rspatial] #gischat
[https://fosstodon.org/tags/gischat] #geocompx
[https://fosstodon.org/tags/geocompx]