Dear all,
I have a data frame that is created like that 
data.frame(x=CRX[-1],y=CRY[-1],z=CRagent[[1]]$sr)

the output looks like
45 116 162 -30.89105988567164
46 128  79 -42.66296679571184
47 180 195 -30.45626175641315
48 114  83 -45.26843476475688
49 118  73 -46.85389245327003


How can I select only the rows that their third column is higher that -45?
This will return the following
116 162 -30.89105988567164
128  79 -42.66296679571184
180 195 -30.45626175641315

I would like to thank you in advance for your help

Best Regards
Alex



      
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