রবিবার, ১৩ জানুয়ারী, ২০১৩

Astronomers Discover a Group of Quasars 4 Billion Light Years Across

Consider all the entities [stars, galaxies, or whatnot] in your study as points in 3-space. The descriptive length of the data is the total number of bits that describes the location of all points in your study.

If all points are random and evenly distributed, then the total number of bits required is (number of points)x(number of bits for 1 location).

Suppose you notice a clumping of points. Is this a structure or random variation?

Rework your data description as follows: for any point, use the first bit to d

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/u4julZFK7bM/story01.htm

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