14 lines
227 B
R
14 lines
227 B
R
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AvgFlightLen <-
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function(mat){
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num=0
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tot=0
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for(i in 1:nrow(mat)){
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if(mat[i,1]==1){
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tot=tot+sqrt((mat[i,5]-mat[i,2])^2+(mat[i,6]-mat[i,3])^2)
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num=num+1
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}
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}
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if(num==0){return(0)}
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return(tot/num)
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}
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