AI engineers often chase performance by scaling up LLM parameters and data, but the trend toward smaller, more efficient, and better-focused models has accelerated. The Phi-4 fine-tuning methodology ...
This study estimates the population distributions by per capita income in 2001 and 2011 in 111 countries. The distributions are derived from household survey data collected in each country. For most ...
This is the data and methodology behind the data essay, “An early look at the 2020 electorate.” Estimates for 2000-2016 are from Census Bureau microdata provided through IPUMS-USA. In 2000, the ...
Professor Klaus Nordhausen develops modern multivariate statistical methods to analyze high-dimensional and large datasets in different fields.
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