|

It only seems like this has nothing to do with statistics

Last post, I talked about bricolage, the fine art of throwing random stuff together to make something useful. This is something of a philosophy of life for me. Seems rambling but it’s not … Over 30 years ago, I was the first American to win the world judo championships. A few years ago, I co-authored…

Bricolage: My autobiography, with SAS procedures

I thought the title of Al Franken’s book , The Truth, with jokes , was great and I wanted to do something just like it. Unfortunately, I’m not that funny. Often, the discussion comes up among colleagues whether it is better for one’s career to be a specialist or a generalist. It’s a little (a…

Bugs on a Plane: Bad quotes & getting rid of character data

Little known fact (because, seriously, how would you know) , I write a lot of code while sitting on a plane and I can’t always connect to the Internet. NOT ALL QUOTATION MARKS ARE CREATED EQUAL Sometimes, when I copy and paste my code into SAS Studio, it doesn’t work. if compress(q23) = “3/4” then…

Fixing Data: Part 1 of a zillion – duplicate dates

I read a comment on line saying SAS probably would not disappear as an option for statistical analysis because “it’s good when you need to do a lot of data manipulation”. I wonder what world those people live in that data comes all cleanly packaged and whether they have unicorns there. Back on Planet Earth,…

MANOVA, finally

So, after three posts of recoding, creating scales, checking reliability and distributional assumptions we have arrived at MANOVA.  If you skipped those three posts, feel shame at trying to take shortcuts, go back and read them. Before we dive into coding, let’s take a look at some basic background on MANOVA. The difference between ANOVA…

| |

MANOVA from beginning to end : Creating the scales

Last time, we saw how to recode variables to score answers correct or incorrect, on a rating scale and weighted by importance. Today, we’re going to look at creating some scales from those variables because for reasons I’m sure I have written about at some point in the past, single items are usually not very…