*******************************************************************************
* Assignment 3

* BE SURE TO TYPE ALL COMMANDS YOU USE IN THIS DO FILE FOR FULL 
* CREDIT.

* Submit your do-file, log file, and word document on the CLE by 1 pm on 9/1/20

* There are a total of 25 points in this assignment


* _Your Name_
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/*	
		Set your working directory and load the data
*/

version 16.1

clear
capture log close

*Set your working directory here:
cd "Your/working/directory"

*Open a new log here:
log using "assignment3_log", replace

*Load the nhanes2 dataset:
webuse nhanes2


/*
		Histograms - 6 pts
*/

*1a) Create a histogram of systolic blood pressure (bpsystol) (1pt)

*Put your commands here:




*1b) Plot a histogram with frequencies instead of densities and overlay a normal distribution (1pt)

*Put your commands here:



*1c) Change the above plot so there are 15 bins and change the scheme to s1mono (1pt)

*Put your commands here:




*1d) Export the graph from question 1c as an image file (e.g. png or jpg) (1pt)

*Put your commands here:




*1e) Put the exported graph from question 1d into a Word document. Make sure you center your graph. (2 pts)

* Put your commands here:




/*
			Bar Charts - 10 pts
*/

*2a) Create a bar chart for the mean of systolic blood pressure (bpsystol) over heart attack (heartatk) (1pt)

*Put your commands here:




*2b) Create and assign a label for heartatk where 0= No heartattack; 1= Heart attack and re-run your bar chart from part 2a (1pt)

*Put your commands here:




*2c) Now create a bar chart for mean heart attack over sex (1pt)

*Put your commands here:




*2d) Plot mean heart attack and mean diabetes over sex and add a title, data source (NHANES) as a caption, and change the legend to plain English instead of variable names (1pt)
*hint: legend(label(1 "xyz") label(2 "xyz"))

*Put your commands here:




*2e) Produce the same figure as above, but restrict to only people who are at least 70 years old. Add a subtitle describing this restriction (1pt)

*Put your commands here:




*2f) Change the color of the heart attack bar to black and the color of the diabetes bar to gray (1pt)
*hint: bar(1, color(xxx)) bar(2, color(xxx))

*Put your commands here:



*2g) Change the graph region color from light blue to white (1pt)

*Put your commands here:



*2h) Export the graph from question 2g as an image file (e.g. png or jpg) (1pt)

*Put your commands here:



*2i) Add the exported graph from question 2h into the Word document you started in question 1. Make sure you center your graph. (2 pts)
* hint: use the "append" option when saving your document

* Put your commands here:

				
		

/*
			Scatter Plots - 8 pts
*/

*3a) Create a scatter plot of systolic blood pressure as the dependent (y-axis) variable and age as the independent (x-axis) variable (1pt)

*Put your commands here:




*3b) Change marker size to very tiny and the marker color to gray (1pt)

*Put your commands here:

	


*3c) Add a black dashed linear fit line (1pt)

*Put your commands here:




*3d) Change the line width to thick (1pt)

*Put your commands here:




*3e) Turn off the legend (1pt)

*Put your commands here:




*3f) Add a y-axis title (systolic blood pressure) (1pt)

*Put your commands here:


		
*3g) Export the graph from question 3f as an image file (e.g. png or jpg) (1pt)

*Put your commands here:



*3h) Add the exported graph from question 3g into the Word document you started in question 1. Make sure you center your graph. (2 pts)
* hint: use the "append" option when saving your document

* Put your commands here:



/*
		Wrapping up and turning in the assignment - 1pt
*/

*Turn in 3 files on the CLE: your do-file, a clean log file, and your Word document (1 pt)

*Close log here:
log close