Executive Summary

Our company recently measured the iris flower and iris the iris dataset. We would like to know more abou the…

Introduction

Our company recently measured the iris flower and iris the iris dataset. We would like to know more abou the… - How are the variables correlated to each other? - What is the distribution of each variable? - How same are the variable?

Data Source

measured the iris flower

Key Findings

How are the variables correlated to each other?

Correlation MAtrix

##              sepal_length sepal_width petal_length petal_width
## sepal_length    1.0000000  -0.1181293    0.8737381   0.8206195
## sepal_width    -0.1181293   1.0000000   -0.4260283  -0.3628942
## petal_length    0.8737381  -0.4260283    1.0000000   0.9627723
## petal_width     0.8206195  -0.3628942    0.9627723   1.0000000

Correlation PEtal Length Petal Width

## 
## Pearson
## [1] 0.9627723
## 
## Spearman
## [1] 0.9376545
## 
## Kendall
## [1] 0.8065882
Table continues below
estimate statistic p.value parameter conf.low conf.high
0.9628 43.18 2.082e-85 147 0.9489 0.9729
method alternative
Pearson’s product-moment correlation two.sided

Correlation Speal Length Sepal Width

## 
## Pearson
## [1] -0.1181293
## 
## Spearman
## [1] -0.1681023
## 
## Kendall
## [1] -0.0786184
Table continues below
estimate statistic p.value parameter conf.low conf.high
-0.1181 -1.442 0.1513 147 -0.2737 0.0435
method alternative
Pearson’s product-moment correlation two.sided

Visualization

What is the distribution of each variable?

Normality Sepal Length

## 
## ---------------
## Variable: sepal_length
## ---------------
## 
## Normality Test
statistic p.value method
0.9756 0.009234 Shapiro-Wilk normality test

Normality Sepal …

## 
## ---------------
## Variable: sepal_length
## ---------------
## 
## Normality Test
statistic p.value method
0.9756 0.009234 Shapiro-Wilk normality test

Normality Petal Length

## 
## ---------------
## Variable: sepal_length
## ---------------
## 
## Normality Test
statistic p.value method
0.9756 0.009234 Shapiro-Wilk normality test

Normality Petal…

## 
## ---------------
## Variable: sepal_length
## ---------------
## 
## Normality Test
statistic p.value method
0.9756 0.009234 Shapiro-Wilk normality test

How same are the variable?

Wilcoxon Sepal Length Sepal Width

statistic p.value method alternative
22199 0 Wilcoxon rank sum test with continuity correction two.sided

Wilcoxn Petal Length Petal Width

statistic p.value method alternative
19099 0 Wilcoxon rank sum test with continuity correction two.sided