FINAL $-$ Instructions for Part $2-$ Coding

Read the data in the file 'Final$\_$Exam$\_$Data.csv$\text{'}$ into a dataframe. The spreadsheet can be found in the module, either in Week $16,$ or in the Assignments sections. Use the data in the columns for the subplots as defined below. Column names are written in quotes.

Create a figure with $2$ by $2$ subplots.

TOP$-$LEFT subplot:

a$.$ Plot 'theta' vs 'cosTheta'.

b$.$ Make sure that the points are plotted as red dots.

c$.$ Label the $x-$axis, $y-$axis and the title as 'Theta','Amplitude' and 'Cosine Theta', respectively.

TOP$-$RIGHT subplot:

a$.$ Create a new variable that contains only the elements of 'signal' where the values are positive. Plot this variable in the subplot using black dots.

b$.$ Set the $y-$axis limits to $-5$ to $5.$

c$.$ Set the markersize to $0\mathrm{.}6.$

d$.$ Label the $x-$axis, $y-$axis and the title as 'Sample No$\text{'},$ 'Amplitude' and 'Positive signal', respectively.

BOTTOM$-$LEFT subplot:

a$.$ Plot 'theta' vs 'signal'.

b$.$ Label the $x-$axis, $y-$axis and the title as 'Theta', 'Amplitude' and 'Signal', respectively.

BOTTOM$-$RIGHT subplot:

a$.$ Make a histogram of 'signal'.

b$.$ Set the number of bins in the histogram to $50.$

c$.$ Label $x-$axis, $y-$axis and the title as 'Signal','Frequency' and 'Histogram of signal', respectively.

Make sure that your plot is identical to what is shown in 'Final$\_$Exam$\_$Figure.png$\text{'},$ also in Canvas.

Turn in:

a$.$ Your code.

b$.$ A screen$-$shot of your plot. You can also save the figure as a $*.$png$,$ if you choose to do so$,$ turn in the $.$png file.

c$.$ Make sure to list your name in the comments block in your code.