[R] rollingRegression() Problem / Error in nrow(x)

From: nmarti <nate318i_at_yahoo.com>
Date: Tue, 10 Jun 2008 06:25:03 -0700 (PDT)

I am tring to use the rollingRegression function from PerformanceAnalytics. When I apply the function to R stock data (Boston), the function works fine. But when I try to apply it to data that I imported from excel, using xlsReadWrite, I recieve an error message:

> Error in nrow(x): subscript out of bounds

So maybe it's not a function problem, maybe it's a data problem, I don't know. Im using the code:

> reg <- rollingRegression( lm( y ~ x ), data, 10 )

Any thoughts on why I'm recieving the errror message would be appreciated. Thanks

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