normalize

@relation weather
@attribute outlook {sunny,rainy,overcast}
@attribute temperatute numeric
@attribute humidity numeric
@attribute windy {true,false}
@attribute play{yes,no}
@data
sunny,85.0,85.0,false,no
overcast,80.0,90.0,true,no
sunny ,83.0,86.0,false,yes
rainy,70.0,86.0,false,yes
rainy,68.0,80.0,false,yes
rainy,65.0,70.0,true,no,
overcast,64.0,65.0,false,yes
sunny,72.0,95.0,true,no
sunny,69.0,70.0,false,yes
rainy,7.0,80.0,false,yes