Topic models are a simple and popular tool for the statistical analysis of textual data. Their identification and estimation is typically enabled by assuming the existence of anchor words; that is, ...

Your brain doesn t just send messages through one universal route it uses separate pathways for spontaneous activity and signals linked to learning. These findings overturn a major neuroscience ...

Scientists at Tufts have created a powerful 3D model of nasal tissue that reveals surprising new insights into how our sense of smell regenerates and why it sometimes fades. Contrary to past ...

Listen to more stories on the Noa app. Large language models such as GPT, Llama, Claude, and DeepSeek can be so fluent that people feel it as a “you,” and it answers encouragingly as an “I.” The ...

Economics Division, Stirling Management School, University of Stirling, Stirling, United Kingdom Introduction: As forests face growing threats from fires, pests, and disease, understanding public ...

We have rolled our model for Allianz to incorporate the latest figures for full-year 2024, and in doing so we have revised our forecasts. Why it matters: We haven't made dramatic revisions, but we ...

Many organizations implementing AI agents tend to focus too narrowly on a single decision-making model, falling into the trap of assuming a one-size-fits-all decision-making framework, one that ...

The consideration of preference heterogeneity in consumer choice behavior has become state of the art. In addition, the identification of consumer segments remains essential for marketing managers.

President Trump said the launch of a low-cost Chinese AI model should be seen as a wake-up call for U.S. industries. Trump also announced plans to impose new tariffs on semiconductor imports. Photo: ...

China's DeepSeek model challenges US AI firms with cost-effective, efficient performance. DeepSeek's model, using modest hardware, is 20 to 40 times cheaper than OpenAI's. DeepSeek's efficiency raises ...

According to the DeepSeek research paper, the project took only $6 million to train but it performs on par with leading AI models. The release of DeepSeek R1 — an open-source artificial intelligence ...

Abstract: Assumptions play a pivotal role in the selection and efficacy of statistical models, as unmet assumptions can lead to flawed conclusions and impact decision-making. In both traditional ...