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Posts by Johanie Fournier

How to Detect Time Series Anomalies in R | Anomalize Package Tutorial!
How to Detect Time Series Anomalies in R | Anomalize Package Tutorial! Need to detect anomalies in time series data? Whether you're analyzing stock prices, environmental trends, or machine performance, spotting outliers can help...

How to Detect Time Series Anomalies in R | Anomalize Package Tutorial!

#Rstats

11 months ago 5 1 0 0
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St. Lawrence Lowlands Precipitation Data: 30-Year Trends Prediction | Johanie Fournier Freelance Agronomist Doing Data Analysis

In my latest post, I explore 30 years of precipitation data and apply machine learning to forecast the next decade comparing:

🔹 Random Forest
🔹 XGBoost
🔹 MARS

Read the full analysis & access the code here 👉 buff.ly/3WE1i6V

#RStats

11 months ago 1 1 0 0
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TyT2025W19: Seismic Events at Mount Vesuvius

Is there a way to not accumulate the data but instead removing the data point each time the year changes?

code: buff.ly/5AXCcW8

#tydytuesday #Rstats

11 months ago 0 0 0 0
How to Compute a Distance Matrix in R | Quick Tutorial!
How to Compute a Distance Matrix in R | Quick Tutorial! Want to calculate distances between points in R? Whether you're working with geographic coordinates or numerical data, distance matrices are crucial for clus...

How to Compute a Distance Matrix in R | Quick Tutorial!

11 months ago 1 1 0 0
Kriging Made Easy with KrigR's kriging Function in R!
Kriging Made Easy with KrigR's kriging Function in R! Want to perform downscaling in R with minimal effort? In this video, I’ll show you how to use the kriging function from the KrigR package to disaggregate spa...

Kriging Made Easy with KrigR's kriging Function in R!

1 year ago 1 0 0 0

Why is there a tiny dinosaur jumping around instead of my video thumbnail? 🤨 Ah, the beauty of automation, I suppose! 🤣 Don’t get me wrong, I don’t teach anything about dinosaurs!

1 year ago 0 0 0 0
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I've seen some posts questioning the future of #rstats in the age of #GenAI, especially as #LLMs are trained on more popular languages like Python and JavaScript.

I'm seeing the opposite in my own work.

Here are a couple examples:

1 year ago 10 3 1 0
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Essentials of Geospatial Data for Agriculture in R!

#RStats

1 year ago 1 0 1 0
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La neige joue au yo-yo cette semaine, où est-ce que je passe ma commande pour en avoir dimanche?

1 year ago 0 0 0 0

I'm curious — what do you think is the most effective way to visualize spatio-temporal data?

1) Panel of small multiples
2) Animated map
3) Heat maps
4) Interactive map with a window slider

Let me know in the comments if you want examples of each!

#Rstats

1 year ago 3 1 2 0
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I've found the use of #LLMs most effective when they augment, not replace, existing workflows.

Shown here: a proof-of-concept #rstats / Shiny app where an LLM is used to "explain" a geocoded location on a map.

1 year ago 11 2 2 0
High Resolution Climate Data Download Tutorial using {KrigR}!
High Resolution Climate Data Download Tutorial using {KrigR}! In this quick tutorial, learn how to efficiently download high-resolution climate data using the cDownloads function from the package {KrigR}. Whether you ne...

High Resolution Climate Data Download Tutorial using {KrigR}!

1 year ago 2 0 0 0
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Side by side interactive map with {leaflet} and {leaflet.extras2}!

Code here: buff.ly/439lyBG

#RStats

Need help with that? Drop your question in the comments or DM me!

1 year ago 4 0 0 0
Case Study: NDVI Analysis in R
Case Study: NDVI Analysis in R Case Study: NDVI Analysis in R In this tutorial, we explore the Normalized Difference Vegetation Index (NDVI) using geospatial data in R. Whether you're work...

NDVI Case Study!

1 year ago 1 0 0 0

Got questions or thoughts about this topic? Drop them in the comments below! I’d love to hear from you and help out however I can!

1 year ago 0 0 0 0
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How Temperature and GDD Trends Are Transforming the Growing Season in Chaudières-Appalaches? | Johanie Fournier Freelance Agronomist Doing Data Analysis

Analyzed 20 years of temperature trends in Chaudières-Appalaches using R packages:

✅ {pollen} to assess Growing Degree Days (GDD)
✅ {vegeperiod} for the vegetation period changes

Read the full analysis here: 🔗 buff.ly/4gIfClY

#RStats

1 year ago 0 0 1 0
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Got questions or thoughts about this topic? Drop them in the comments below! I’d love to hear from you and help out however I can!

1 year ago 0 0 0 0
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Heatmap to Visualize Spatio-Temporal Data | Johanie Fournier Freelance Agronomist Doing Data Analysis

I created a heat map with {ggplot2} to visualise spatio-temporal data evolution.

#RStats

1 year ago 1 0 1 0

Got questions or thoughts about this topic? Drop them in the comments below! I’d love to hear from you and help out however I can!

1 year ago 0 0 0 0
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From Trends to Predictions: Machine Learning Forecasts for Centre-du-Québec’s Precipitation | Johanie Fournier Freelance Agronomist Doing Data Analysis

Just published a deep dive into using XGBoost for predicting precipitation in Centre-du-Québec!
#Rstats
Check it out: https://buff.ly/40AbzSV

1 year ago 2 0 1 0
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Animated visualization inspired by the amazing tutorials of Milos Popovic, PhD.

code here: https://buff.ly/3WZV5m5

#Rstats

1 year ago 1 0 1 0

Les érables commencent à cerner! 🎉🍁

1 year ago 0 0 0 0
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30 Years of Precipitation for Centre-du-Québec: Trends, Patterns & Anomalies | Johanie Fournier Freelance Agronomist Doing Data Analysis

Did it really rain more over the past 30 years in Centre-du-Québec?

I dug into the data to spot trends, patterns, and surprises because sometimes, what we think we know about the weather isn’t quite what the data says!

Check out my analysis and let me know →https://buff.ly/40E6skI

#RStats

1 year ago 3 0 0 0

I’m not sure why we need a bar chart to understand the colour, but maybe a 3D map would emphasis the darker colour.

1 year ago 0 0 1 0
Screenshot of a Quarto image gallery page

Screenshot of a Quarto image gallery page

I put together a little #quartopub extension to automatically create image galleries for Quarto websites: vuorre.com/quarto-galle...

1 year ago 8 1 2 0

Really interesting!

1 year ago 1 0 0 0
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not me playing with dark, bold, fluo theme for a presentation now that I'm not in corporate anymore...🤠

#rstats

1 year ago 2 0 0 0
Getting Administrative Boundaries with {rgeoboundaries} in R!
Getting Administrative Boundaries with {rgeoboundaries} in R! YouTube video by Johanie Fournier

I just created a tiny tutorial on {rgeoboundaries}.

How do you find the auto zoom? I'm not sure if I like it or if it's making me dizzy.

#rstats

youtu.be/K5khtyIdnbk

1 year ago 3 0 0 0
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a snowy scene with the words " it 's a blizzard " on the bottom ALT: a snowy scene with the words " it 's a blizzard " on the bottom

Journée tempête!🎉

1 year ago 0 0 0 0

Thanks!

1 year ago 0 0 0 0