I think it depends on whether your hooks and hangers and ties etc. have 'names', or whether you could reliably track the data by index alone. Could you post a small sample of the real data you're trying to manipulate?

EDIT: Sorry hdb, was aiming for OP.

In reply to Re^: Memory issue with cancer data (analogy) by mtmcc
in thread Memory issue with cancer data (analogy) by ZWcarp

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