R help - Oct 2011 - how to use VARselect with missing values - beginner's question

Dear R helpers,
 
I have a ts object, dadosvar, and want to run a VAR.
These are my data:
 
> dadosvar[1:15,]
         dl    rp        igpm   ereal crescpib jurosreal
 [1,] 32.31    NA 39.07  419.59       NA   7025.95
 [2,] 32.00    NA 40.78  596.57       NA  13401.25
 [3,] 32.70    NA 45.71  867.63       NA   7738.64
 [4,] 33.22    NA 40.91 1261.36       NA  15669.95
 [5,] 33.58    NA 42.58 1832.68       NA   8741.45
 [6,] 33.12    NA 45.21 2636.04       NA  13487.44
 [7,] 32.82    NA  4.33   -3.39       NA    117.67
 [8,] 31.61    NA  3.94   -3.05     3.27     52.52
 [9,] 30.63    NA  1.75   -0.90     1.30     55.31
[10,] 29.90    NA  1.82   -0.98     2.60     54.75
[11,] 29.91    NA  2.85   -2.01     2.61     62.51
[12,] 30.01 -4.18  0.84    0.01     0.96     52.41
[13,] 29.35 -4.06  0.92   -0.08     2.97     45.33
[14,] 29.43 -3.40  1.39   -0.54     4.02     55.15
[15,] 28.92 -3.34  1.12   -0.23     6.29     56.86
> VARselect(dadosvar,lag.max=8,type="both")
Error in VARselect(dadosvar, lag.max = 8, type = "both") : 
NAs in y.
 
When I tried VARselect it won't work because there are missing values. Is
there a way around this problem?
 
Thanks in advance for any help.
 
Kind regards,
Iara
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