Solar Flare (Imbalanced: F vs rest) data set

1: Description.

An imbalanced version of the Solar Flare data set, where the possitive examples belong to the class F and the negative examples to the rest of the classes.

2: Type.				Imbalanced
3: Origin.				Laboratory
4: Instances.			1066
5: Features.			11
6: Classes.				2
7: Missing values.		No
8: IR:					23,79

9: Header.

@relation flare-F
@attribute LargestSpotSize {A, R, S, X, K, H}
@attribute SpotDistribution {X, O, I, C}
@attribute Activity {1, 2}
@attribute Evolution {1, 2, 3}
@attribute Prev24Hour {1, 2, 3}
@attribute HistComplex {1, 2}
@attribute BecomeHist {1, 2}
@attribute Area {1, 2}
@attribute C-class {0, 1, 2, 3, 4, 5, 6, 7, 8}
@attribute M-class {0, 1, 2, 3, 4, 5}
@attribute X-class {0, 1, 2}
@attribute Class {positive, negative}
@inputs LargestSpotSize, SpotDistribution, Activity, Evolution, Prev24Hour, HistComplex, BecomeHist, Area, C-class, M-class, X-class
@outputs Class