mean absolute deviation
, the mean absolute deviation is equal to
It is a measure of dispersion but is not often used as variance has preferable algebraic properties.
- special function
- special linear group
- special relativity
- spectral theorem
- spectrum
- speed
- speed of light
- sphere
- spherical angle
- spherical cap
- spherically symmetric
- spherical polar coordinates
- spherical triangle
- spherical trigonometry
- spheroid
- spiral
- spline
- splitting field
- sporadic group
- spread
- spring
- spring constant
- spurious correlation
- square
- square