Hi -

I'm interested in correlating two metrics.

for the sake of argument these are the Shape index and integrated folding
index of a surface.

Rather than treat the rows as locations in space (nodes) and the columns as
observations on those locations, I'd like to treat each row as as an
observation, and each column as a location in space instead.

So I want to transpose the two metric files. run stats. transpose the
results back so I can plot them on the surface. right?

The trouble is that when I do that I get:

$ caret_command -metric-information R.SHAPE.metric
Filename: R.SHAPE.metric
Number of Nodes: 70962
Number of Columns: 1
Column      Minimum      Maximum           Mean     Sample Dev     %
Positive     % Negative   Column Name
     1       -2.550        6.000          1.001          0.505
97.696          2.304   MASKED_SHAPE_INDEX_norm


$ caret_command -metric-transpose R.SHAPE.metric R.SHAPE_transposed.metric
-WRITE-FILE-FORMAT-METRIC XML_BASE64_GZIP
Input Filename: R.SHAPE.metric
Output Filename: R.SHAPE_transposed.metric
Number of Nodes: 70962
Number of Columns: 1

$ caret_command -metric-information R.SHAPE_transposed.metric

METRIC FILE INFORMATION ERROR: Error  : Decompression of Binary data failed.
Uncompressed 0 bytes but should be 4 bytes.


and there seems little I can do to fix this. I've tried a bunch of things.

clearly I need to do something to the metric file before I run the
transpose command. not sure what though.

thanks,

Colin
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