R-bloggers

Coral bleaching at Heron Island – CC BY by The Ocean Agency / XL Catlin Seaview Survey / Richard Vevers Day 20 of 30DayMapChallenge: « Water » (previously). Global ocean acidification mean sea water pH trend map from Multi-Observ...

Michalská brána (second take) – CC BY-SA by Alexandre Duret-Lutz Day 19 of 30DayMapChallenge: « Projections » (previously). EPSG:3035 is a Lambert azimuthal equal-area projection used for mapping Europe at medium scale, preservin...

Mars Perseverance Sol 1681: Right Mastcam-Z Camera – PD by NASA/JPL-Caltech/ASU Day 18 of 30DayMapChallenge: « Out of this world » (previously). Perseverance is still hiking… library(dplyr) library(sf) library(ggplot2) libr...

I encountered the question today of what to do with missing values when conducting null hypothesis testing or regression? I have seen many suggest doing mean imputation. That is, simply replace any missing values with the mean of the variable cal...

Are you ready to stay ahead in the fast-evolving world of data? Join Jumping Rivers for our free monthly webinar series designed for data professionals at all levels. In just 55 minutes, you’ll gain practical insights, sharpen your skills, and ta...

Running a marathon is a big deal. It takes a lot of time to train to run a good time, and it takes a while to recover. So, if you’re chasing a marathon PB (personal best) time, you need to choose which Marathon to target wisely. How can we ...

Heatmap of the french population Day 17 of 30DayMapChallenge: « A new tool » (previously). Testing Maplibre with {mapgl}. library(dplyr) library(mapgl) library(sf) Data Using french communes population. pop st_centroid() |__ select(population) Map maplibre(center = c(5, 45), zoom = 6) |__ add_heatmap_layer( id = "pop", source = pop, heatmap_weight = interpolate( column = "population", values = ...

Johann Heinrich von Thünen (1783-1850) was a German agronomist, agricultural reformer, and textbook author. If you look his name up on the internet, you’ll find that he is best remembered for his model of land use, which seems to have made its way onto...

{talib} is a new R-package for Technical Analysis (TA) and Candlestick Pattern Recognition (Yeah, the patterns traders bet their lifesavings on….). In this post I will show basic example on how {talib} works, and how it compares performance-wise with {TTR}. Basic example In this example I will identify all ‘Harami’ ...

Finally understood TMLE’s “doubly robust” property through simulation. Works well when either outcome OR treatment model is correct. XGBoost + TMLE captured complex relationships without manual specification. It worked on simul...

unifiedml is now available on CRAN. This package provides a consistent interface for machine learning in R, making it easier to work with different ML algorithms using a unified API.

Eagle Creek Fire – CC-BY-NC-SA by Curtis Gregory Perry Day 15 of 30DayMapChallenge: « Fire » (previously). An animation of global fires in 2024 using MODIS data. library(dggridR) library(dplyr) library(readr) library(ggplot...

In this post, I announce the release of version of 0.2.0 of the readtextgrid R package, describe the problem that the package solves, and share some thoughts on LLM-assisted programming. Textgrids are a way to annotate audio data Praat is a program for speech and acoustic analysis that has been around ...