This file is part of the lecture Business Intelligence & Analytics (EESYS-BIA-M), Information Systems and Energy Efficient Systems, University of Bamberg.

```{r Load and inspect data}

# Task 1 clone git repository

# Task 2

# Read data. Remember the relative path

?read.csv #help pages for format options of the data file

# Task 3

# Inspect the dataset

```

```{r Convert and take care about missing data}

# Task 4

# the group is not meaningful as numeric! Convert it to a factor

# Task 5

#level names of factors can be changed - mind the order of the elements!

# Task 6

```

```{r Simple Statistics}

# Task 31

# Task 32

# Task 33

# Task 34

# Task 35

#compare variance and square of standard deviation

#the comparison of numbers should be made considering a precision: