[R] Different varable lengths
Saint
bahman.zadeh at comhem.se
Mon Apr 30 11:43:32 CEST 2012
Hi!
I'm trying to do a lm() test on three objects. My problem is that R protests
and says that the variable lengths differ for one of the objects
(Sweden.GDP.gap). But I have double checked that the number of observations
are the same. All three objects should contain 9 observations but R only
accepts 9 observations in two of the objects. The third must have 10! Very
confusing because there is no 10th observation!
# Adjusted Real rate - P
> Sweden.p.adjust <- c(4.70243, 1.3776655, 1.117755, 1.6695175, 1.59282,
> 1.1017625, -0.04295, 2.2552875, 0.0552875)
>
> # Adjusted Inflation deviation
> Sweden.infl.dev.adjust <- c(0.110382497, -0.261612509, 0.040847515,
> -0.195062497, -0.234362485, -0.023408728, 0.206421261, -0.079401261,
> 0.071828752)
>
> # Adjusted GDP-gap
> Sweden.GDP.gap.adjust <- c(0.673792123, 1.196706756, 1.196131539,
> 0.646944002, -0.312886525, -1.180620213 -0.525964648, -0.369401194,
> -0.003280389)
>
> # OLS regression using ADJUSTED data.#
> Sweden.Taylor.real.adjust <- lm(Sweden.p.adjust ~ Sweden.infl.dev.adjust +
> Sweden.GDP.gap.adjust)
Error in model.frame.default(formula = Sweden.p.adjust ~
Sweden.infl.dev.adjust + :
variable lengths differ (found for 'Sweden.GDP.gap.adjust')
Why is this happening?
/ Saint
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