Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with confidence.

Excel is powerful, but it’s also unforgiving. A single oversight can spiral into a major problem, especially when money or sensitive data is involved. And you know what they say, prevention is better ...

Excel has been the undisputed king of spreadsheets for decades. Countless professionals rely on it daily for everything from simple data tracking to complex financial modelling. But if I told you that ...

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...

An imaginary police patrol has setup a speed trap in two consecutive days. They have recorded all license plates and speeds to Excel sheets - one sheet per day. Task stores the resulting Excel file to ...

Click on the green "Clone or Download" button and choose 'Download ZIP' from the drop down. Then extract the zip file on your machine to start working with the files. Alternatively, if you have git ...

Business analysts and data scientists today increasingly need to clean, standardize and transform diverse data sets, such as name, address, date time, phone number, etc., before they can perform ...

Classical conditioning is a way to learn using unconscious associations. Pavlov discovered classical conditioning when dogs started to salivate at the sound of a bell before they got food. The ...