IEEE

Design and HDL Implementation of Pulse-Arrival-Time Estimation Using XGBoost Regression With Tree-Recycling Architecture

Abstract: This paper presents a pulse-arrival-time (PAT) estimation scheme using Extreme Gradient Boosting (XGBoost) regression and its implementation with hardware description language (HDL). PAT is ...
The New York Times

Doctors Couldn’t Help Them. They Rolled the Dice With A.I.

Some women with complex chronic illnesses are using chatbots to search for diagnoses or relief from their symptoms. By Maggie Astor When Margie Smith got sick in 2022, she sought help from a parade of ...
CU Boulder News & Events

Exploring the Use of Vulnerability-Based Analyses with Classification and Regression Trees in Reclamation's Mid-Term Operational Projections

The Bureau of Reclamation (Reclamation) projects 2 – 5-year Colorado River Basin (CRB) system conditions for stakeholders using their Colorado River Mid – Term Modeling System (CRMMS). As inputs, this ...
WTVD

What sex is your tree? And what does it mean for pollen?

DURHAM, N.C. (WTVD) -- We're in that season of yellow when pollen seems to coat just about everything. If you've been outside lately, you've noticed it in the air, on your car, even on your porch ...
The New York Times

How Candidates Are Using Winks and Posts to Seek Crypto and A.I. Cash

Across America, congressional candidates are finding creative — and critics say cynical — ways to signal support for two deep-pocketed industries: A.I. and crypto. In Illinois, Jesse Jackson Jr., a ...
CNBC

Defense tech companies are dropping Claude after Pentagon's Anthropic blacklist

A number of defense tech companies are telling employees to stop using Anthropic's Claude, and to switch to other AI models following the Defense Department's ban late last week. "This in no way ...
International Monetary Fund

Groups and Aggregates Information

Composite data for country groups in the WEO are either sums or weighted averages of data for individual countries. Arithmetically weighted averages are used for all data for the emerging market and ...
SciELO

Obesity classification: a comparative study of machine learning models excluding weight and height data

OBJECTIVE: Obesity is a global health problem. The aim is to analyze the effectiveness of machine learning models in predicting obesity classes and to determine which model performs best in obesity ...
Visual Studio Magazine

Decision Tree Regression from Scratch Without Pointers or Recursion Using C#

A decision tree regression system incorporates a set of if-then rules to predict a single numeric value. Decision tree regression is rarely used by itself because it overfits the training data, and so ...
Harvard Business Review

AI Has Made Hiring Worse—But It Can Still Help

I have been researching, speaking, and writing about the impact of AI in hiring for years, long before large language models entered the mainstream. AI’s deep penetration in recruitment was always ...
Frontiers

Explainable machine learning for stroke risk prediction: a comparative study with SHAP-based interpretation

Stroke is one of the leading causes of death and disability worldwide, making early screening and risk prediction crucial. Traditional methods have limitations in handling nonlinear relationships ...