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Table 2 Determination of gene temporal expression patterns by the proposed regression method.

From: Quadratic regression analysis for gene discovery and pattern recognition for non-cyclic short time-course microarray experiments

Regression Patterns

Sign of

Sign of

Predicted Signals

Linear

up (LU)

+

N/A

N/A

 

down (LD)

-

N/A

N/A

Quadratic

concave (QC)

N/A

-

N/A

 

convex (QV)

N/A

+

N/A

Quadratic-Linear

concave up (QLCU)

N/A

-

 

concave down (QLCD)

N/A

-

 

convex up (QLVU)

N/A

+

 

convex down (QLVD)

N/A

+

  1. "+" if the estimate of or is positive, "-" if the estimate of or is negative, "N/A" if not applicable, is the predicted signal at the first time point, and is the predicted signal at the last time point.
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BMC Bioinformatics

ISSN: 1471-2105

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