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Error in if (any(ch)) { : missing value where TRUE/FALSE needed
3 messages · liang.che at us.pwc.com, Ben Bolker, Uwe Ligges
<liang.che <at> us.pwc.com> writes:
Can someone please help with the error message below?
thanks!
Start: AIC=-Inf
value ~ 1 + Core_CPI__ + GDP_change + Unemployment + housing +
interest + S_P + d1 + d2 + d3
Error in if (any(ch)) { : missing value where TRUE/FALSE needed
In addition: Warning message:
attempting model selection on an essentially perfect fit is nonsense
Without a reproducible example we can't help. (See http://tinyurl.com/reproducible-000 , for example) Have you checked to see if you are overfitting? Have you possibly read in a numeric variable as a factor by accident? Ben Bolker
On 03.10.2012 19:47, liang.che at us.pwc.com wrote:
Can someone please help with the error message below?
Not really, the message says it all: You cannot improve the AIC since it is numerically -Inf already! Uwe Ligges
thanks!
Start: AIC=-Inf
value ~ 1 + Core_CPI__ + GDP_change + Unemployment + housing +
interest + S_P + d1 + d2 + d3
Error in if (any(ch)) { : missing value where TRUE/FALSE needed
In addition: Warning message:
attempting model selection on an essentially perfect fit is nonsense
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