hw06 ready for grading

[qiaoyuet]

IMPORTANT: Instruction for viewing this homework

Since in Part 1 of this homework I used str_view() to see the matches of strings and it is a html widget that cannot be displayed in github properly. Try the following to view it:

• (1) Go to the homepage
• (2) Click up-right corner "Clone or Download" and click "Download Zip"
• (3) After download and unzip, click on the folder of hw06, find the hw06.html and you can view it now!

SHA: bec96fa

[qiaoyuet]

Link to hw05 folder: https://github.com/qiaoyuet/STAT545-hw-Tang-Qiaoyue/tree/master/hw06

MD File of hw06: https://github.com/qiaoyuet/STAT545-hw-Tang-Qiaoyue/blob/master/hw06/hw06.md

RMD File of hw06: https://github.com/qiaoyuet/STAT545-hw-Tang-Qiaoyue/blob/master/hw06/hw06.Rmd

HTML File of hw06: https://github.com/qiaoyuet/STAT545-hw-Tang-Qiaoyue/blob/master/hw06/hw06.html

[ilgan]

@qiaoyuet Good work! Part one: more than 20 exercises, and it takes some time! Good work. Functions that you wrote are quite useful also showed understanding o the linear regression and its usage in practical problems.

Notes:

• head() function can be used to truncate the output.
• Maybe try to output to more readable format instead of the work around with the html file.
• I liked that you suppressed the outputs of unwanted messages from R.
• Try to be consistent, sometimes you highlight the functions, sometimes you don't.
• Overall very clean work with nice explanations, showing the authors understanding of the problem/solutions.
• Some plots for second problem could've been useful.
• For part two plotting: you can try to define a function and plot it on top of the data.

Overall very nice work!

[farihakhan]

Good work on completing assignment 6!

Part 1: Nice work on completing the exercised from the Strings chapter. I also did this part and it took me a really long time to complete. I noticed that your str_view() output isn't formatted in github properly; I also had this issue and did not know how to solve it. I later began using a different str function.

Part 2: It's nice that you tried writing more than one function in this section. I would try naming your functions more descriptively, that way variables that hold functions don't get confused with variables that hold data. Impressive use of nesting a loop within your function as well. It would be nice to see what the output of the Bisection Algorithm algorithm gave though.

Part 3: Good work with completing more than 2 sections of the assignment. The presentation might have been cleaner if you had separated section 1 from the function and list sections, this section of your assignment seems to be more intended. You did a nice job covering different abilities of your nested list - using some additional plots and figuring could have added to this.

Overall, good job!

[ksedivyhaley]

At least two topics: Yes (character data, functions, nested data frame) Character data (13 sections): Yes Functions: OK Nested data frame: Yes Reflection: Yes

Comments:

• Homework is clear, complete, and correct.
• Your functions could use some error checking – make sure you're getting the right input and produce an informative error otherwise.
• Final graph is a bit hard to read. Consider faceting by term and making x the country.

Your mark will be distributed later. If you would like more feedback, please feel free to message me on slack.