[R] Filter data

[Diogenas]

Hello,
I understand that question is probably stupid, but ...

I have data (polity IV index)
"country","year","democ","autoc","polity","polity2"
"1","Afghanistan             ",1800,1,7,-6,-6
"2","Afghanistan             ",1801,1,7,-6,-6
"3","Afghanistan             ",1802,1,7,-6,-6

I need to create new data sets which includes only cases after year 1995.
I've tried this command:
poli2<-poli[poli$year > 1994,] ,
 however it generated this:
Error in poli[poli$year > 1994, ] : incorrect number of dimensions.
Any ideas how i can overcome this?

Thank in advance for your help,





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Diogenas
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