factor/basis/math/statistics/statistics-tests.factor

USING: kernel math math.functions math.statistics tools.test ;
IN: math.statistics.tests

[ 1 ] [ { 1 } mean ] unit-test
[ 3/2 ] [ { 1 2 } mean ] unit-test
[ 0 ] [ { 0 0 0 } geometric-mean ] unit-test
[ t ] [ { 2 2 2 2 } geometric-mean 2.0 .0001 ~ ] unit-test
[ 1.0 ] [ { 1 1 1 } geometric-mean ] unit-test
[ 1/3 ] [ { 1 1 1 } harmonic-mean ] unit-test

[ 0 ] [ { 1 } range ] unit-test
[ 89 ] [ { 1 2 30 90 } range ] unit-test
[ 2 ] [ { 1 2 3 } median ] unit-test
[ 5/2 ] [ { 1 2 3 4 } median ] unit-test

[ 1 ] [ { 1 } mode ] unit-test
[ 3 ] [ { 1 2 3 3 3 4 5 6 76 7 2 21 1 3 3 3 } mode ] unit-test

[ { } median ] must-fail
[ { } upper-median ] must-fail
[ { } lower-median ] must-fail

[ 2 ] [ { 1 2 3 4 } lower-median ] unit-test
[ 3 ] [ { 1 2 3 4 } upper-median ] unit-test
[ 3 ] [ { 1 2 3 4 5 } lower-median ] unit-test
[ 3 ] [ { 1 2 3 4 5 } upper-median ] unit-test


[ 1 ] [ { 1 } lower-median ] unit-test
[ 1 ] [ { 1 } upper-median ] unit-test
[ 1 ] [ { 1 } median ] unit-test

[ 1 ] [ { 1 2 } lower-median ] unit-test
[ 2 ] [ { 1 2 } upper-median ] unit-test
[ 3/2 ] [ { 1 2 } median ] unit-test

[ 1 ] [ { 1 2 3 } var ] unit-test
[ 1.0 ] [ { 1 2 3 } std ] unit-test
[ t ] [ { 1 2 3 4 } ste 0.6454972243679028 - .0001 < ] unit-test

[ t ] [ { 23.2 33.4 22.5 66.3 44.5 } std 18.1906 - .0001 < ] unit-test

[ 0 ] [ { 1 } var ] unit-test
[ 0.0 ] [ { 1 } std ] unit-test
[ 0.0 ] [ { 1 } ste ] unit-test