Data Science Desktop Survival Guide by Graham Williams
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C5.0 Rules Model

library(C50)
model <- C5.0(form, ds[tr, vars], rules=TRUE)

model

## 
## Call:
## C5.0.formula(formula=form, data=ds[tr, vars], rules=TRUE)
## 
## Rule-Based Model
## Number of samples: 123722 
## Number of predictors: 20 
## 
## Number of Rules: 204 
## 
## Non-standard options: attempt to group attributes

C5imp(model)

##                 Overall
## humidity_3pm     100.00
## pressure_3pm      53.22
## wind_gust_speed   47.86
## rainfall          44.72
## wind_dir_3pm      41.80
## cloud_3pm         31.60
## temp_3pm          30.43
## sunshine          29.96
## rain_today        29.42
## wind_speed_3pm    22.57
## cloud_9am         17.70
## wind_gust_dir     16.99
## humidity_9am      16.32
## temp_9am          14.69
## min_temp          14.40
## wind_speed_9am    12.50
## wind_dir_9am       6.33
## evaporation        4.65
## pressure_9am       1.90
## max_temp           1.08