表22 Day Outlook Temperature Humidity Wind Class sunny hot High False N sunny hot High True N oⅤ vercast hot High False P 23456789 rain ild mI High False P rain Normal False P rain co0 Normal True N overcast cool Normal True P Sunny mild High False N Sunny cool normal false p表2.2 Day Outlook Temperature Humidity Wind Class 1 sunny hot High False N 2 sunny hot High True N 3 overcast hot High False P 4 rain mild High False P 5 rain cool Normal False P 6 rain cool Normal True N 7 overcast cool Normal True P 8 sunny mild High False N 9 sunny cool normal false p