In my last post I showed how to do simple linear regression by hand. However, naturally, in most cases with statistics, you never have just one predictor variable, but rather multiple. As such, in this post, I will show how to do multiple linear regression by hand. Multiple linear regression is an extension of simple linear regression that allows for more than one predictor variable.

We are pleased to announce that the projects OA Datenpraxis and Infra Wiss Blogs of the Information Management Research Group from the Berlin School of Library and Information Science at the Humboldt-Universität zu Berlin will be represented at this year’s BID Congress. Furthermore, Heinz Pampel will be involved in several other events during the BID Congress.

The Amazon region is crucial for climate balance and biodiversity preservation. DataMap/Amazon, an initiative of the Center for Sustainable Amazon Studies at the University of São Paulo (USP), promotes the production and dissemination of science for the sustainable development of the Amazon.

Invincible insects: cockroaches have evolved over 300 million years to become the ultimate survivors, with abilities that will shock and amaze you.

Die Organisation Communia setzt sich für die Gemeinfreiheit in Europa ein. Das Ziel: Bibliotheken, Archive, Universitäten und andere Wissensinstitutionen sollen sich weiter rechtssicher öffnen und ihren öffentlichen Auftrag im digitalen Wandel erfüllen. Dafür hat Communia Forderungen für ein digitales Wissensgesetz erarbeitet. iRights.info veröffentlicht die deutsche Fassung. Justus Dreyling arbeitet als Policy Director bei Communia.

Por fin, en esta entrada comenzaré a hablar de la selectio de las variantes que permitirá establecer el texto crítico. En ChrysoCollate esta operación es relativamente simple. En puridad, no se trata de una colación completamente automatizada, pues ChrysoCollate —a diferencia de CollateX— no es capaz realizar un alineamiento de textos y evaluar la cercanía de las lecturas, labor que debe ser realizada manualmente por el editor.

Meditation is easy when you know what to do: absolutely nothing! It's hard at first, like trying to look at the back of your own head, but there's a knack to it.

Every episode in a tv series starts with a recap. So… Previously, on Portal: the Regime Shift — In fall of 2023, one of the ruling families of Portal — the Desert Pocket Mouse (Chaetodipus penicillatus for my mammalogy friends) — fell from favor with no warning.

Every year we release metadata for the full corpus of records registered with us, which can be downloaded for free in a single compressed file. This is one way in which we fulfil our mission to make metadata freely and widely available.

Access to reliable and timely scientific evidence is utterly vital for the practise of responsible policymaking, especially with all the turmoil in the world these days. At the same time, the evidence base on which use to make these decisions is rapidly morphing under our feet; the first entirely AI-generated paper passed peer review at an ICLR workshop today.

For the past few years I’ve been a statistics tutor in the psychology department at Maynooth University. We cover everything from the basics of descriptive statistics and graphs to the nitty-gritty of t-tests, correlations, and ANOVAs. However, there’s one topic where I always slow down and dive deep: regression analysis. Why?