Executive Summary

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

INtroduction

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

Data Source

company recently measured the iris flower and derive the iris dataset.

Key Findings

How are the variables correlated to each other?

Correlation Matrix

## 
## Please cite as:
##  Hlavac, Marek (2022). stargazer: Well-Formatted Regression and Summary Statistics Tables.
##  R package version 5.2.3. https://CRAN.R-project.org/package=stargazer
##              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 data Petal Length Petal Width

## Warning: package 'pander' was built under R version 4.5.3
## Warning: package 'broom' was built under R version 4.5.3
## 
## 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 data SepalLength Spal 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

Scatter

What is the distribution of each variable?

Normality Petal Length

## 
## ---------------
## Variable: petal.length
## ---------------
## 
## Normality Test
statistic p.value method
0.8768 8.635e-10 Shapiro-Wilk normality test

Normality Petal Width

## 
## ---------------
## Variable: petal.width
## ---------------
## 
## Normality Test
statistic p.value method
0.9019 1.853e-08 Shapiro-Wilk normality test

Normality Sepal Length

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

Normality Sepal Width

## 
## ---------------
## Variable: sepal.width
## ---------------
## 
## Normality Test
statistic p.value method
0.985 0.1062 Shapiro-Wilk normality test

How same are the variables?

Wilcoxon Petal Length Petal Width

statistic p.value method alternative
19099 4.976e-27 Wilcoxon rank sum test with continuity correction two.sided

Wilcoxon Sepal Length Sepal Width

statistic p.value method alternative
22199 2.084e-50 Wilcoxon rank sum test with continuity correction two.sided

Conclusions