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tidyrules
converts texual rules from models to
dataframes with parseable rules. Supported models are: C5
,
cubist
and rpart
.
library(tidyrules)
= C50::C5.0(Species ~ ., data = iris, rules = TRUE)
model_c5 summary(model_c5)
#>
#> Call:
#> C5.0.formula(formula = Species ~ ., data = iris, rules = TRUE)
#>
#>
#> C5.0 [Release 2.07 GPL Edition] Tue Dec 10 14:47:18 2019
#> -------------------------------
#>
#> Class specified by attribute `outcome'
#>
#> Read 150 cases (5 attributes) from undefined.data
#>
#> Rules:
#>
#> Rule 1: (50, lift 2.9)
#> Petal.Length <= 1.9
#> -> class setosa [0.981]
#>
#> Rule 2: (48/1, lift 2.9)
#> Petal.Length > 1.9
#> Petal.Length <= 4.9
#> Petal.Width <= 1.7
#> -> class versicolor [0.960]
#>
#> Rule 3: (46/1, lift 2.9)
#> Petal.Width > 1.7
#> -> class virginica [0.958]
#>
#> Rule 4: (46/2, lift 2.8)
#> Petal.Length > 4.9
#> -> class virginica [0.938]
#>
#> Default class: setosa
#>
#>
#> Evaluation on training data (150 cases):
#>
#> Rules
#> ----------------
#> No Errors
#>
#> 4 4( 2.7%) <<
#>
#>
#> (a) (b) (c) <-classified as
#> ---- ---- ----
#> 50 (a): class setosa
#> 47 3 (b): class versicolor
#> 1 49 (c): class virginica
#>
#>
#> Attribute usage:
#>
#> 96.00% Petal.Length
#> 62.67% Petal.Width
#>
#>
#> Time: 0.0 secs
Tidy the rules:
::pandoc.table(tidyRules(model_c5), split.tables = 120)
pander#>
#> ----------------------------------------------------------------------------------------------------
#> id LHS RHS support confidence lift rule_number trial_number
#> ---- ----------------------- ------------ --------- ------------ ------ ------------- --------------
#> 1 Petal.Length <= 1.9 setosa 50 0.9808 2.9 1 1
#>
#> 2 Petal.Length > 1.9 & versicolor 48 0.96 2.9 2 1
#> Petal.Length <= 4.9 &
#> Petal.Width <= 1.7
#>
#> 3 Petal.Width > 1.7 virginica 46 0.9583 2.9 3 1
#>
#> 4 Petal.Length > 4.9 virginica 46 0.9375 2.8 4 1
#> ----------------------------------------------------------------------------------------------------
You can install the released version of tidyrules from CRAN with:
install.packages("tidyrules")
And the development version from GitHub with:
# install.packages("devtools")
::install_github("talegari/tidyrules") devtools
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.