Pages

Monday, August 30, 2010

The First 10^3 Posts

It's our 1000th post here at The Eternal Universe and what started out as Joe's crazy idea has now been going strong and gaining steam for close to 4 years.  In our 1000th post we thought we'd put our heads together and do what a group of physicists and other assorted nerds do best:  look at the data.  So here's our first 1000 posts celebrated in the only way we know how - statistics, numbers, and plots.

Step 1:  Apply A Reductionist Approach

A blog is made of posts so let's look at our history of posts.  To make 1000 posts over 3 years, 9 months, and 7 days we averaged a post every 31.5 hours - not bad for a bunch of very busy grad students.  If we look at the number of posts over time, we see that the distribution wasn't at all even.

Step 2:  Look For Trends

If you take a squinty-eyed look at the history of our posts, you can make up a slight pattern.  We seem to post more in the summer and less near the start of fall and the end of spring.  If we plot the average number of posts per month over the calendar year, complete with a 1-sigma error region, we see that while there is something of a trend, it's hardly iron-clad.
We do post more in the summer, but the variability in the summer also rises, so the significance of the overall trend is dubious.

Step 3:  Derive A Metric

We know we're writing posts, but does anybody care?  Luckily we can invent a quantity to measure how much discussion in generated by our posts, or the average number of comments per post.
Averaged over 3 months, the data clearly show an overall upward trend in the number of comments, as well as a big jump starting August 2009.


Step 4:  Fit To A Model

No piece of data analysis would be complete without some sort of attempt to fit our data to a model.  What theoretical model best fits the growth of a blog made by a bunch of nerds from BYU?  In a word, growth.  Looking at the number of unique IP addresses visiting the blog per month since late 2008, we see nothing but roses.
In fact we're pretty sure that given a few years everybody is going to be reading our blog - especially if the exponential model holds up.

To all the readers, thanks for putting up with the first 1000 posts.  Here's to the next thousand.