R語言中等高線圖與熱力圖的橫縱座標對應問題

>test = matrix(rnorm(200), 20, 10)orm >test[1:10, seq(1, 10, 2)] = test[1:10, seq(1, 10, 2)] + 3 > test[11:20, seq(2, 10, 2)] = test[11:20, seq(2, 10, 2)] + 2 > test[15:20, seq(2, 10, 2)] = test[15:20

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