Sentence examples for matrix of z from inspiring English sources
R z ′ z ′ is the covariance matrix of z'.
And the covariance matrix of z is an identity matrix I.
where μ is the mean vector of z and C Z is the covariance matrix of z.
Spatial smoothing can be used to restore the rank of the correlation matrix of z(ω0) [23].
The correlation matrix of z′ is then: Φ z ′ = Φ x fd ′ + Φ x ri ′ + Φ v rn ′, (56).
We deduce that the correlation matrix of z is: Φ z = Φ x fd + Φ v rn, (6).
The matrix of Z-score values was transformed in distance metric index and a clustering tree was generated (see Methods).
The counts by species for each family were transformed into a matrix of z-scores so that the data could be centered and normalized.
Details and formulas for both tests are provided in Additional file 1. Groups of similar disease/TF tracks are found by separately clustering rows and columns of a matrix of z-values (see above).
In this usage, PCs are found by applying PCA to the matrix of z-scaled expression levels of member genes in a given pathway, instead of all genes represented in the microarray.
In the Drosophila muscle, ultrastructural studies on muscleblind (mbl) mutants revealed a compromised organization of the muscle structural unit, the sarcomere, where thick and thin filaments were less ordered and densely packed than in wild-type individuals, and the I-bands and mesh-like matrix of Z-bands were absent, indicative of a hypercontracted state (Artero et al., 1998).
