Is it the end of 'statistical significance'? The battle to make science more uncertain

A quick guide to p-values. Credit: Repapetilto/Wikimedia, CC BY-SA The scientific world is abuzz following recommendations by two of the most prestigious scholarly journals – The American Statistician and Nature – that the term “statistical significance” be retired. In their introduction to the special issue of The American Statistician on the topic, the journal’s editors…

Sentiment analysis for portfolio management

Figure shows the simulated performance of three different portfolios on the Tokyo Stock Exchange using the asset pricing model incorporating sentiment analysis developed by the research team. The portfolios comprise 10, 30 and 50 different stocks. The daily performance of the portfolios is accumulated to form the cumulative return. The number of stocks with analyst…