The Data Science Lab Binary Classification Using a scikit Decision Tree Dr. James McCaffrey of Microsoft Research says decision trees are useful for relatively small datasets and when the trained ...

Many scientific problems entail labeling data items with one of a given, finite set of classes based on features of the data items. For example, oncologists classify tumors as different known cancer ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

In a 6-3 ruling Wednesday, the U.S. Supreme Court’s conservative majority struck down one of Louisiana’s majority-Black congressional districts. The decision weakens key protections under the Voting ...

Climate change impacts are no longer distant but have entered people’s everyday experiences. Here we look back on a 2011 paper that showed how direct personal experience shapes people’s climate change ...

This book will examine the common failure to notice critical information due to bounded awareness. The book will document a decade of research showing that even successful people fail to notice the ...

It's a Treehugger's dream come true. Leafsnap is a free app that identifies plant species of all kinds, from flowers and bark to fruit and trees. Go for a walk, take a shot of a leaf, and this little ...

Anna Nordseth is an ecology writer and Duke University Ph.D. candidate specializing in tropical forest ecology, conservation research, and biodiversity. Boreal forests, or taiga, are found between 50 ...