R version 3.3.2 (2016-10-31) -- "Sincere Pumpkin Patch"
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Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- array(list(Temp.(0C),Power(%),,Yield(%),30,30,,,9.65,30,,40,,,10.78,30,,50,,,11.68,40,,30,,,15.58,40,,40,,,18.61,40,,50,,,16.88,50,,30,,,15.98,50,,40,,,14.89,50,,50,,,13.71),dim=c(4,10),dimnames=list(c('R','A','B'),1:10))
Error: unexpected symbol in "x <- array(list(Temp.(0C"
Execution halted