AI Meets BI: Artificial Intelligence and Business Intelligence by Lakshman Bulusu & Rosendo Abellera

Author:Lakshman Bulusu & Rosendo Abellera [Bulusu, Lakshman & Abellera, Rosendo]
Language: eng
Format: epub
Tags: computers, Artificial Intelligence, General, Data Science, Data Analytics, Business & Economics, Information Management
ISBN: 9781000281958
Google: c174DwAAQBAJ
Publisher: CRC Press
Published: 2020-11-03T00:07:00.045537+00:00

Listing 4.4 Decision Tree Output (of code in Listing 4.3)

# Output of above code

> # decision trees v7 regular

> setwd(″<directory-name>")

> library(caret)

Loading required package: lattice

Loading reguired package: ggplot2

Warning messages

1: package ′caret′ was built under R version 3.4.4

2: package ′ggplot2′ was built under R version 3.4.4

3: As of rlang 0.4.0, dplyr must be at least version 0.8.0.

x dplyr 0.7.8 is too old for rlang 0.4.2.

i Please update dplyr to the latest version.

i Updating packages on Windows requires precautions: <https://github.com/jennybc/what-they-forgot/issues/62>

> library(e1071)

Warning message:

package ′e1071′ was built under R version 3.4.4

> library(rpart.plot)

Losding required package: rpart

> # The file wineguality-white.csv is in the working directory

> winedata1 <- read.csv(″wineguality-white.csv″, header=TRUE, sep=′;′)

> head(winedata1)

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