eWeek content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More Data modeling comprises the methodologies of creating data ...

The Review of Economic Studies, Vol. 68, No. 3 (Jul., 2001), pp. 543-572 (30 pages) This paper considers the problem of identification and estimation in panel data sample selection models with a ...

This is a preview. Log in through your library . Abstract In this paper we investigate a broader semiparametric two-sample density ratio model based on two groups of right-censored data. A ...

Learn what residual standard deviation is, how to calculate it in regression analysis, and why it's crucial for measuring predictability and goodness-of-fit in data modeling.

A study finds that a representative sample of people given wearable data collection devices provides more equitable and ...

Researchers from Anthropic, the UK AI Security Institute, and the Alan Turing Institute discovered that LLMs can be made ...

Chinese scientists have constructed a numerical model to simulate the Martian atmosphere and thus assist the country's plans to collect rock samples from the Red Planet. The model replicates the ...

A study found that just 250 poisoned documents were enough to corrupt AI models up to 13 billion parameters in size, ...