Excel is my database, Python is my brain.

Turn Excel into a lightweight data-science tool for cleaning datasets, standardizing dates, visualizing clusters, and analyzing keywords.

The circumstances had to be just right for the man born William Michael Albert Broad to become Billy Idol. When Broad was still a teenager in school, a teacher wrote the words “William is idle” on one ...

In the fast-evolving world of the energy industry, oil and gas data analysis has emerged as a critical factor in shaping the future of energy management and sustainability. By leveraging data ...

Pie charts are a common choice for visualizing data, but their limitations often make them less effective in professional or technical contexts. As explained by Leila Gharani, pie charts struggle to ...

Can the users of financial statements and annual reports rely upon the charts in them for accuracy? A sample of 50 public companies’ yearly reports collected by the author found that 86% had at least ...

Tracking task or project completion in Excel becomes much easier when you use visual progress bars. Instead of scanning numbers, you can quickly see which tasks are on track, identify bottlenecks, and ...

CEO Sam Altman called a strange graph in its GPT-5 presentation a ‘mega chart screwup.’ CEO Sam Altman called a strange graph in its GPT-5 presentation a ‘mega chart screwup.’ is a senior reporter ...