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Data for Exercise 9.33
Hardwood
A data frame with 19 observations on the following variable.
tensile.hardwood
a factor with levels 1.110000000e+001 1.500000000e+000 2.000000000e+001 2.000000000e+000 2.190000000e+001 1.500000000e+001 2.400000000e+001 3.000000000e+000 2.610000000e+001 4.000000000e+000 2.780000000e+001 1.400000000e+001 3.000000000e+001 4.500000000e+000 3.380000000e+001 5.000000000e+000 3.400000000e+001 5.500000000e+000 3.810000000e+001 6.000000000e+000 3.990000000e+001 6.500000000e+000 4.200000000e+001 7.000000000e+000 4.280000000e+001 1.300000000e+001 4.610000000e+001 8.000000000e+000 4.800000000e+001 1.200000000e+001 5.200000000e+001 1.000000000e+001 5.250000000e+001 1.100000000e+001 5.310000000e+001 9.000000000e+000 6.300000000e+000 1.000000000e+000
1.110000000e+001 1.500000000e+000
2.000000000e+001 2.000000000e+000
2.190000000e+001 1.500000000e+001
2.400000000e+001 3.000000000e+000
2.610000000e+001 4.000000000e+000
2.780000000e+001 1.400000000e+001
3.000000000e+001 4.500000000e+000
3.380000000e+001 5.000000000e+000
3.400000000e+001 5.500000000e+000
3.810000000e+001 6.000000000e+000
3.990000000e+001 6.500000000e+000
4.200000000e+001 7.000000000e+000
4.280000000e+001 1.300000000e+001
4.610000000e+001 8.000000000e+000
4.800000000e+001 1.200000000e+001
5.200000000e+001 1.000000000e+001
5.250000000e+001 1.100000000e+001
5.310000000e+001 9.000000000e+000
6.300000000e+000 1.000000000e+000
# NOT RUN { str(Hardwood) attach(Hardwood) # }
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