DDIF


Also found in: Acronyms.

DDIF

Digital Document Interchange Format. A CDA specification for representing compound documents in revisable format; a DEC standard for document encoding.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
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The t-statistic for comparing this difference across two sample periods x and y is equal to (ddif x-ddif Y)/(STD(r)), where now STD denotes the standard deviation of daily returns for the combined sample.
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We have implemented filters for DDIF [Digital 1991], SGML [ISO 1986], Latex [Lamport 1986], and C code [Kernighan and Ritchie 1978].
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