Data Science Quiz For Humanities

November 21, 2025 | Ponne, Bruno

Test your skills with this interactive data science quiz covering statistics, Python, R, and data analysis. Progress Answered 0 of 15 1Which of the following best describes a z-score? A measure of central tendency The number of standard deviations a value is from the mean The square of the correlation coefficient A ... [Read more...]

Flags

November 21, 2025 | Michael

Colors of Youth !! – CC BY-NC-ND by Rahul Sheel Day 21-22 of 30DayMapChallenge: « Icons » & « Natural Earth » (previously). The world as flags… Data # install.packages("grImport2") # install.packages("ggflags", #...
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Acidification

November 19, 2025 | Michael

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...
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EPSG:3035

November 18, 2025 | Michael

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...
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Perseverance

November 18, 2025 | Michael

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...
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Maplibre

November 17, 2025 | Michael

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 = ...
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{talib}: Candlestick Pattern Recognition in R

November 16, 2025 | Serkan Korkmaz

{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’ ...
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How to access HomeAssistant’s InfluxDB from R

November 15, 2025 | rstats-tips.net

I’m running a HomeAssistant instance at home. I’ve configured it to log data into an InfluxDB database, so I can retrieve historical data for analysis later on. In default mode HomeAssistant would aggregate historical data for storage reasons. So now I want to access the InfluxDB database from ... [Read more...]

MODIS fire

November 15, 2025 | Michael

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...
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Bayes vs. the Invaders (Redivivus)

November 15, 2025 | moth

Unidentifiable aerial and marine phenomena. Impossible lights in the sky. Patterns of visitation and terror. Insidious influences from the hadal voids between the stars. Who--what--swoop and glide through the ink-black nights of our world, probing and testing our structures, our societies, our minds? From barely remembered history, to early reports ... [Read more...]
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