Information Gain:
['odor', 0.5958781388444068]
['spore-print-color', 0.40401433625340794]
['ring-type', 0.3208617569443631]
['stalk-surface-above-ring', 0.29428587393975525]
['stalk-surface-below-ring', 0.2832600073480388]
['stalk-color-above-ring', 0.21231027394970714]
['stalk-color-below-ring', 0.19333257492569556]
['stalk-shape', 0.1906400960859973]
['gill-color', 0.14749977019847527]
['cap-color', 0.13513142462572947]
['bruises', 0.0970673636730559]
['population', 0.076099270405944]
['habitat', 0.06978318846911502]
['stalk-root', 0.06746996920271853]
['gill-spacing', 0.04045340558946153]
['gill-size', 0.022478595908492438]
['cap-shape', 0.012065559600302644]
['ring-number', 0.008359129334108761]
['cap-surface', 0.0031690782142284046]
['gill-attachment', 0.0030773753327756337]
['veil-color', 0.0013656795396109755]
['veil-type', 0.0]