Data Smart: Using Data Science to Transform Information into Insight

You need to standardize each column so that the values are closer to the same center and spread.

Just when you think you have a good demand forecast, a flood disrupts your supply chain, limiting your supply, forcing you to raise prices, and throwing your sales completely out of whack.

Your goals should be things like using data to facilitate better targeting, forecasting, pricing, decision-making, reporting, compliance, and so on. In other

You can use it to classify company e-mails, customer support transcripts, AP wire articles, the police blotter, medical documents, movie reviews, whatever!

You get more bang for your buck spending your time on selecting good data and features than models.

business receives feedback on how their audience is engaging at the individual level through click tracking, online purchases, social sharing, and so on.

All you need to do is when you're done typing the formula, instead of pressing Enter, press Ctrl+Shift+Enter. On the Mac, you use Command+Return.

mean big business, more complex measures of prestige, infl uence, and centrality have evolved to account for such bad behavior.

a non-pregnant customer bought maternity clothing and stopped buying cigarettes, and the model gave them a score of 0.76. It's clear then that if you are going to use these predictions in real marketing efforts, you need to set a score threshold for when you can assume someone is pregnant and reach out to that person with marketing materials.