Understanding Latent Dirichlet Allocation (LDA) — A Data Scientist’s Guide
LDA Convergence Explained with a Dog Pedigree Model
LDA Convergence Explained with a Dog Pedigree Model

A nearly 50-year-old Harvard University study found that the word "because" helps people make more persuasive requests. Here's why, says a Wharton professor.

Startup Groq has developed an machine learning processor that it claims blows GPUs away in large language model workloads – 10x faster than an Nvidia GPU at 10 percent of the cost, and needing a tenth of the electricity. Update: Groq model compilation time and time from access…

Learn what is an Op Amp(Operational Amplifier): Understanding circuits, types, & the Best operational amplifier choices.
Assortment of technology startup infrastructure recommendations

Lawrence Livermore's Forensic Science Center played a crucial role in helping to solve a notorious 1990s murder case.
[Special thank you to Ian Kivlichan for many useful pointers (E.g. the 100+ year old Nature paper “Vox populi”) and nice feedback. 🙏 ] High-quality data is the fuel for modern data deep learning model training. Most of the task-specific labeled data comes from human annotation…

Former streaming service subscribers on why they have ditched mod cons for MP3s, CDs and other DIY music formats

The author details two examples of defining customer churn in contexts where it is not explicit: Retail and Banking.
A star since childhood, she spent decades guarding her privacy. On-screen, she’s always played the solitary woman under pressure. But in a pair of new roles, she’s revealed a different side of herself.

This article is co-authored by @gracieabot_ Is it a revolution or merely hype? In a world where...
For me, mathematics cultivates a perpetual state of wonder about the nature of mind, the limits of thoughts, and our place in this vast cosmos (Clifford A. Pickover - The Math Book: From Pythagoras to the 57th Dimension, 250 Milestones in the History of Mathematics) I am a big…
Click here to get stared with machine learning in R using caret.

In this article we will review application of clustering to customer order data in three parts. First, we will define the approach to developing the cluster model including derived predictors and dummy variables; second we will extend beyond a typical “churn” model by using the…

Machine learning is the study and application of algorithms that learn from and make predictions on data. From search results to self-driving cars, it has manifested itself in all areas of our lives and is one of the most exciting and fast-growing fields of research in the world…

The commerce technology stack is changing. And the ability to move information from one system or platform to another is, perhaps, the essential feature mid-sized or enterprise businesses should look for in software providers.

We start to lose muscle in our 30s, and the loss accelerates with age, putting us at risk of frailty later in life. But what you eat — specifically how much protein — is a big part of the solution.

Create Air Travel Route Maps that look like airline route maps you find in aeroplane magazines using ggplot. Spatially visualise your travel diary. Continue reading → The post Create Air Travel Route Maps in ggplot: A Visual Travel Diary appeared first on The Devil is in the…

On occasion of the 10,000th R package on CRAN, eoda operated an automated Twitter account which regularly posted the current number of packages available on CRAN until the 10,000-package milestone has been passed on January 28, 2017. #Rstatsgoes10k – Hello World, it’s 2017-01-28…

With roots dating back to at least 1662 when John Graunt, a London merchant, published an extensive set of inferences based on mortality records, survival analysis is one of the oldest subfields of Statistics [1]. Basic life-table methods, including techniques for dealing with…
Are you interested in guest posting? Publish at DataScience+ via your editor (i.e., RStudio). Category Advanced Modeling Tags Data Visualisation GLMM Logistic Regression R Programming spatial model Many datasets these days are collected at different locations over space which…

This is to continue on the topic of using the melt/cast functions in reshape to convert between long and wide format of data frame. Here is the example I found helpful in generating covariate table required for PEER (or Matrix_eQTL) analysis:Here ...

This tutorial was prepared for the Ninth Annual Midwest Graduate Student Summit on Applied Economics, Regional, and Urban Studies (AERUS) on April 23rd-24th, 2016 at the University of Illinois at Urbana Champaign.
This book is for anyone looking to do forensic science analysis in a data-driven and open way.
A complete guide to data exploration in R explains how to read data sets in R, explore data in R, impute missing values in your dataset, merge in R, etc

MongoDB is a NoSQL database program which uses JSON-like documents with schemas. It is free and open-source cross-platform database. MongoDB, top NoSQL database engine in use today, could be a good data storage alternative when analyzing large volume data. To use MongoDB with R…

Stay up-to-date on the latest data science and AI news in the worlds of artificial intelligence, machine learning, deep learning, implementation, and more.

Stay up-to-date on the latest data science and AI news in the worlds of artificial intelligence, machine learning, deep learning, implementation, and more.
apply function r, apply r, lapply r, sapply r, tapply r

I had a feeling that R has developed as a language to such a degree that many of us are using it now in completely different ways. This means that there are likely to be numerous tricks, packages, functions, etc that each of us use, but that others are completely…

Kubernetes is the 800-pound gorilla of container orchestration. It powers some of the biggest deployments worldwide, but it comes with a price tag...

Try it out yourself.
In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.

Faster than Nvidia? Dissecting the economics

The economy, explained by your Diet Coke and soda prices, kind of.
Consistently beautiful plots with less code and minimal effort

The job, once seen as an essential feature of any establishment serious about wine, now seems to be a luxury in the post-pandemic restaurant economy.
Learn how SVG shapes can enhance web design, offering scalable, responsive, and visually appealing elements for modern websites.

The intersection of artificial intelligence and the ancient game of chess has long captivated researchers, offering a fertile ground for testing the limits of computational strategy and intelligence. The journey from IBM's Deep Blue, which in 1997 famously defeated the reigning…

Sophisticated videos require only a smartphone and an app. Here's an update to our long-running resource of tools to create, edit, and transform videos.

In artificial intelligence, the capacity of Large Language Models (LLMs) to negotiate mirrors a leap toward achieving human-like interactions in digital negotiations. At the heart of this exploration is the NEGOTIATION ARENA, a pioneering framework devised by researchers from…
In this article, I'll take you through a practical guide to PySpark that will help you get started with PySpark. PySpark Practical Guide.

Ethernet is ubiquitous, fast, and simple. You only need two diffpairs (four wires) to establish a 100Mbit link, the hardware is everywhere, you can do Ethernet over long distances easily, and tons …

Built-in function vs. numerical methods
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