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1,265 results for “from:Ulrich”

Selecting a time range from an XTS series?
Ulrich Staudinger · Sep 23, 2010 · r-sig-finance

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millisec timestamps for rows of xts/zoo object
Ulrich Staudinger · Jun 5, 2011 · r-sig-finance

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Find first trade of day in xts object
Ulrich Staudinger · Jun 15, 2011 · r-sig-finance

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millisec timestamps for rows of xts/zoo object
Ulrich Staudinger · Jun 7, 2011 · r-sig-finance

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millisec timestamps for rows of xts/zoo object
Ulrich Staudinger · Jun 5, 2011 · r-sig-finance

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Selecting a time range from an XTS series?
Ulrich Staudinger · Sep 22, 2010 · r-sig-finance

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About multi-dimension array on Binomial Tree Structure
Ulrich Staudinger · Jun 17, 2010 · r-sig-finance

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Selecting a time range from an XTS series?
Ulrich Staudinger · Sep 23, 2010 · r-sig-finance

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lmer: Change the Zt matrix and refit
Ulrich Halekoh · Mar 1, 2010 · r-sig-mixed-models

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update-function: frame problem with lmer-fit
Ulrich Halekoh · Jun 1, 2010 · r-sig-mixed-models

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Are there genetic algorithm for trading strategy evolution in R?
Ulrich Staudinger · Mar 13, 2012 · r-sig-finance

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Causal version of HP filter and Kernel Smoothing in R?
Ulrich Staudinger · Feb 29, 2012 · r-sig-finance

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Are there genetic algorithm for trading strategy evolution in R?
Ulrich Staudinger · Mar 8, 2012 · r-sig-finance

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Filling a time series with Last Ask, Last Bid, etc
Ulrich Staudinger · Oct 16, 2011 · r-sig-finance

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Strange, most probably unjustified, codoc mismatch for S4 method with one argument plus '...'
Ulrich Bodenhofer · Dec 11, 2012 · r-devel

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return value for grep
Ulrich · Oct 30, 2010 · r-help

Hi, is it possible to easily change the return value for the grep function for cases where there is no match, for example the value 0 or "No" instead of integer (0) )? Thanks, Uli

Running R on a Computer Cluster in the Cloud - cloudnumbers.com
Ulrich Staudinger · Jul 13, 2011 · r-sig-hpc

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lme4- lmer2: wrong fixed effect estimate for some parameterization
Ulrich Halekoh · Feb 6, 2007 · r-sig-mixed-models

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How to know when an XTS row is at a particular interval
Ulrich Staudinger · Jul 7, 2011 · r-sig-finance

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How to know when an XTS row is at a particular interval
Ulrich Staudinger · Jul 7, 2011 · r-sig-finance

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