Tag: #statistics

One-Way ANOVA Analyses, by Hand and in R

A student asked for help with a statistical analysis the other night, and I was happy to help. However, he threw me a curveball when he told me he needed to conduct an ANOVA test using only summary data. That is, all he had was the table of results (from a publication) and not the data. Doing an ANOVA by…

Biostatistics By Hand? Yes, Please!

When I was studying medical technology, my professors and mentors emphasized the need to learn to do by hand all of the procedures that automated instruments did. Those instruments, which are veritable robots, can do a complete cell count in a few minutes. Doing a complete cell count by hand takes at least an hour if you’re good and organized……

The things that will kill you

Just listening to the news, you’d think that all of us were going to get killed tomorrow from a massive terrorist attack. Heck, some of my colleagues have been going on so much about Zika that they make it seem like we’re all going to die from Zika… Or that a whole generation of children are going to be born microcephalic.…

Of numbers and proportions

Last week, after the events in Dallas, Texas, where 5 police officers were shot dead, the Chief of Police in El Paso, Texas, decided to make a statement. Unfortunately, he decided to label the “Black Lives Matter” (BLM) movement as a hate group. This is unfortunate because we’re at a point in history where there needs to be a discussion…

Guns and swimming pools

Quick, what’s the difference between a gun and a swimming pool? Don’t answer that. It’s a stupid question. Anyone with a grade school education — or even no education — should be able to tell the difference between the two. However, there continues to be this comparison between guns and swimming pools in trying to justify the refusal of any…

The Suicide Emergency

As part of my schoolwork this term, I’ve been doing a lot of research into suicide in the United States. It’s a delicate subject in my family because of events in the recent past, but, like any other fear of mine, I’ve decided to grab it by the horns, look it in the eye, and try to understand it. The…