I’ve been reading bits and pieces of Geometry of Design, by Kimberly Elam, which I found randomly on a shelf in our Art and Architecture library. The book has many great examples of design and composition, and thoughts on the wonders of golden rectangles, pentagrams, and other shapes. It devotes a few pages to this … Continue reading Konstructing a poster
This week’s bad graph* plots three-dimensional data with a squashed perspective, hiding any scatter of the points along the “out of plane” axis: The cognoscenti will recognize the plot as visualizing the outcome of principal component analysis (PCA), in this case applied to the microbial communities in mice fed dust from homes** with dogs (D) … Continue reading Bad Graph of the Week (in 3D!)
It is inherently challenging to use a model to make predictions beyond the range of data to which the model was fit — making predictions about the future, for example, based on the past and present. Or, as the Danish proverb more elegantly says, “It’s difficult to make predictions, especially about the future.” Still, there’s … Continue reading You can use any model you want, as long as it’s linear and has a positive slope
I like graphs. At their best they are useful, elegant, and thought-provoking. At their worst, they’re infuriating. Modern systems-ish biology seems to have an abundance of awful graphs, even in good papers (as noted earlier, for example), perhaps because the complex statistical procedures it often uses are hard to make sense of. There’s no excuse … Continue reading (Another) bad graph
Whales, apparently, learn from one another. That’s the message of this paper in Science last month on the transmission of feeding tactics among humpback whales. There are lots of fascinating things in the article, some of which are news to me but have been known for a long time to people who pay attention to … Continue reading Whales, culture, and graphs
The Eighteenth Elephant 