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JSchakenraad

Jos Schakenraad

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Frank Zappa’s official discography presented in a listing and in diagrams, a comparison with your home FZ catalogue, and conceptual continuity put on a punch card.
Frank Zappa’s official discography presented in a listing and in diagrams (barchart, Sankey, pie), a comparison with your home catalogue. Conceptual continuity put on a punch card. Statistics. Favorite songs and albums.
Wind force, air density and average cycle ride speed at sea level. And your favorite air density for fast cycling.
Wind force, air density and average cycle ride speed at sea level. And your favorite air density for fast cycling. An analysis based on my own cycle data from 2008 to the present, starting from my home address.
Your favorite Climbfinder climbs and Strava segments stats mapped
Your favorite Climbfinder climbs and Strava segments stats on OpenStreetmap, OpenTopoMap and Esri.WorldImagery. The Cauberg is the most popular NL climb on Strava.
A young person’s guide to the music of Frank Zappa. My favorite Zappa picks on tape.
Zappa's music listened to on an Akai GX-270D tape deck, built in 1976. Favorite playlist. A Zappa anthology.
Regression coefficients as heart rate and power change indicators in virtual time trial rides
Regression coefficients used as heart rate and power change indicators in virtual time trial rides.
Relationship between power and heart rate in a virtual ride and a fatigue indicator as a spin-off
The bivariate and multivariate relationship between power and heart rate in a virtual ride with five ascents, and a potentially interesting fatigue indicator as a spin-off. Regression analysis. Lead HR in seconds, mean power window in seconds.
Your favorite (and less favorite) cycle cities on Strava’s heatmap. A spatial analysis in R with GLM and spaMM regression modelling.
Your favorite (and less favorite) cycle cities on Strava’s heatmap. A spatial analysis in R with GLM and spaMM modelling. Applying (logistic) regression. Mapping municipalities data in the Netherlands.
Strava segments and the most favorable wind: Are segment start and end points sufficient to determine the ideal tailwind? An analysis with Strava/VeloViewer and ClimbFinder data.
Cycling as fast as possible on Strava segments with the most favorable wind: Are segment start and end points sufficient to determine the ideal tailwind? An analysis with Strava/VeloViewer and ClimbFinder data.
Elevation profile of the Netherlands in 2D (R script) and 3D
Elevation / Altitude profile of the Netherlands in 2D (R script) and 3D