Kalman Filter

A way of predicting what a system is going to do next when you don’t have exact information (like most real-world things).

Examples: smoothing GPS location data, altitude estimation

See also:

  • Vaguely Right Is Better Than Exactly Wrong

    Carveth Reed, a British logician and philosopher is attributed with the quote, “It is better to be vaguely right than exactly wrong” (sometimes attributed to the economist John Maynard Keynes). This is a useful idiom for a number of problems where information is limited or lacking precision.