Tag: statistics
Weight Moving Average
Your exact scale weight isn’t really important as long as it’s “ahead” of the trend you’re aiming for. If you’re trying to lose weight, you want your day-to-day scale weight to be below your moving average–concentrate on your moving average weight, not your scale weight!
an online weight tracking widget. basically SMA
Double-blind test of astrology
the best debunking of astrology yet.
Illusion of Randomness
The stars were spread out in this matter to make the coverage more uniform. That makes it look more random! But it is an illusion.
Autoregressive integrated moving average
generally considered the best moving average formula
Image Search
presents the concept of semantic query by example, which seems a useful extension of QBE
The Malcolm Gladwell Problem
All of Gladwell’s tics are on display in service of an article that mostly feels bottom-drawer, like something rejected twice and then run out of sympathy.
An example: Gladwell cheerfully quotes Platinum Blue CEO (Mike McCready) on the wonderful job his software does separating hits from flops in the music business. His evidence? McCready claims to have ID-ed Norah Jones “Come Away with Me” album back in 2002 as a monster. How do we know McCready did this? He says he did, and Gladwell quotes him saying “a local newspaper in Barcelona” interviewed him then and he told them. But we are not told which newspaper, which day, etc.
Where gladwell is taken down a notch for his crappy analysis
Bayesian surveys
The method relies on asking questions in pairs and analysing the relationship between the answers in a so-called Bayesian approach – which assumes that the answers are interlinked. The first question queries the individual. If people truly hold a particular opinion, they tend to give higher estimates that other people share it.
using bayesian techniques to increase the quality of surveys
Data misrepresentation
oy. “usability testing” on graphs for excel 2007 led to 0 values now being graphed with a bar. this is really bad. why did they let the stupid prevail?
Ichimoku Cloud
The Ichimoku Cloud, also known as Ichimoku Kinko Hyo, is a versatile indicator that defines support and resistance, identifies trend direction, gauges momentum and provides trading signals. Ichimoku Kinko Hyo translates into “1 look equilibrium chart”. With 1 look, chartists can identify the trend and look for potential signals within that trend.
might be useful for log analysis too
Gregor J. Rothfuss 