Data Makes Reasonable Decision-making Possible

Posted to Miscellaneous  |  Nathan Yau

What is data?This guest post is by Andrew Gelman from Statistical Modeling, Causal Inference, and Social Science. He answers the question – “What is data and why should we care about it?”

Good data are better than bad data, but worst of all are data whose quality you can’t assess. Beyond this, we want to use statistical methods that allow us to combine data from many sources. I’m comfortable with regression and multilevel models, but other methods are out there too. In any case, we have to care about our data because inferences and decisions are just about always data-based, implicitly if not explicitly. Being the person in the room with the hard data gives you authority, as well it should.


Where Bars Outnumber Grocery Stores

A closer look at the age old question of where there are more bars than grocery stores, and vice versa.

How We Spend Our Money, a Breakdown

We know spending changes when you have more money. Here’s by how much.

The Most Unisex Names in US History

Moving on from the most trendy names in US history, let’s look at the most unisex ones. Some names have …

How You Will Die

So far we’ve seen when you will die and how other people tend to die. Now let’s put the two together to see how and when you will die, given your sex, race, and age.