Re: [Rd] Use logical expresion on ff object

From: Łukasz Ręcławowicz <>
Date: Fri, 19 Aug 2011 14:36:28 +0200

2011/8/19 Krystian Radlak <>

> I have very long vector stored in ff object and I want to chse elements
> from
> this vector which fulfil logical expresion (for example a>1)

k<-ffvecapply(a[i1:i2]>1, X=a, BATCHSIZE=5000,RETURN=T)

Miłego dnia

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