CA SRD - Correspondence Analysis - Reconstitute Differential images

PURPOSE

Compute differential (eigen) image for a selected factor from CORAN analysis.
See: Classification and Clustering Tutorial for further info.   Example.

SEE ALSO

CA S	[Correspondence Analysis - Solution]
CA SM	[Correspondence Analysis - Show Map & Eigen Values]
CA SRI	[Correspondence Analysis - Reconstitute Importance images]
CA SRA	[Correspondence Analysis - Arbitrary image reconstitution]

USAGE

.OPERATION: CA SRD

.CORAN FILE PREFIX: coran_t
[Enter the prefix for the CORAN files created in 'CA S'.]

.FILE NUMBERS TO BE USED (EG. 1-8,12-22,55): 1-80,90-95
[Numbers are consecutive, and refer to the sequence of files specified in 'CA S'. ]

.FACTORS TO BE USED: 2-4
[Enter the factors to be used for image reconstitution. Note that the numbers have to be less than the number of images and less or equal to the number used in 'CA S'.]

.OUTPUT FILE TEMPLATE: CASRD_****
[Enter the prefix for the files created here.]

NOTES

1. For a detailed explanation of concepts used in CORAN see: J.P. Bretaudiere and J. Frank (1986) J. Microscopy 144:1-14.
   Importance images are defined in J. Frank and M. van Heel (1982) J. Mol. Biol. 161:133-137.

SUBROUTINES

JPMSK2

CALLER

UTIL1