Rayleigh test

Ray·leigh e·qua·tion

a ratio of red to green required by each observer to match spectral yellow.
Synonym(s): Rayleigh test

Rayleigh test

An obsolete test described by Lord JWS Rayleigh (1842–1919) for colour vision based on the spectral mixing of red and green to match yellow.


Lord John W.S., English physicist and Nobel laureate, 1842-1919.
rayl - unit of acoustic impedance.
Rayleigh equation - a ratio of red to green required by each observer to match spectral yellow. Synonym(s): Rayleigh test
Rayleigh test - Synonym(s): Rayleigh equation
References in periodicals archive ?
431 Circular standard deviation 66[degree] 61[degree] 95 % Confidence interval (-/+) for [mu] 2[degree]-26[degree] 12[degree]-69[degree] Rayleigh test (p) < 1 X [10.
20 Rayleigh Test Unimodal orientation (relative to target) Mean angle 97[degrees] 316[degrees] 95% -- [++or--]34[degrees] confidence Length of mean 0.
At Nacunan, the orientation distribution of active burrow holes is not homogeneous; holes are most frequently easterly-oriented (mean angle of orientation 88[degrees] 01'[+ or -] 8[degrees] 15'; Rayleigh test of uniformity p<0.
Web orientation on trees (eight main directions) was interpreted through circular statistics using the Rayleigh test (Fisher 1993).
602 Circular standard 29[degrees] deviation 95 % Confidence interval 147[degrees]-181[degrees] (-/+) for [mu] 99 % Confidence interval 141[degrees]-186[degrees] (-/+) for [mu] Rayleigh test (Z) 4.
Rayleigh test P values (Greenwood and Durand, 1955) were calculated using a numerical integration algorithm and checked against tables in Zar (1999).
Mean direction ([theta], r) of crawling relative to flow (RTF), magnetic bearing of crawling (MAG), and magnetic bearing of flow during crawling (FLO) were all analyzed for significance using a Rayleigh test ([z.
The overall data set was combined and analyzed using first- and second-order statistics, and the null hypotheses were accepted or rejected based on the Z and F test statistics (one sample Rayleigh test and one sample Hotelling's, respectively).
The magnetic direction of each photograph was used to determine the observer's magnetic position relative to each flock and was analyzed using the Rayleigh test to test for any effect of the observer on flock orientation (i.
First-order Rayleigh test statistics are as follows: n = 89, [mu] = 210[degrees], r = 0.
Rayleigh tests were used to determine if the bats in these experiments were oriented in any direction.