Answer the following:

$1.$ You are given the iris dataset to derive insight from. Using an appropriate library in R$,$ perform the following tasks:

$-$Select petal length and sepal length from the given dataset

$-$Filter the data to represent only those classes of flowers whose petal length is more than $5\mathrm{.}5$ units.

$-$Create a new column flower area to represent the total area occupied by the flower petals.

$2.$ You use a web api to collect data from the Spotify app database, from this Spotify dataset, perform the following tasks:

$-$Visualize the distribution of a numerical variable song$\_$duration.

$-$Add a layer of smooth density curve to the above plot.

$-$Differentiate the plot based on the categorial variable song$\_$genre using different colors.

$3.$ You are given a csv file named heart$\_$disease.csv comprising of information about various factors affecting the presence of heart disease. Perform the following operations:

$-$Read the CSV file into a dataframe hdf$.$

$-$Display the summary statistics for the column cholestrol.

$-$Create a new column BMI, while also adding the required variables.

Evaluation Rubrics:

Qn No $1.$ Criteria $($Must Have$)$

$-$Select library

$-$Choice of function $1$

$-$Choice of function $2$

Qn No $2.$ Criteria $($Must Have$)$

$-$Use of histogram

$-$Density layer

$-$Color coding

Qn No $3.$ Criteria $($Must Have$)$

$-$Converting dataset into data frame

$-$Summary Statistics

$-$Adding a new column