Week 1 Tasks and Discussions

[MacyChan]

Things that we need to complete:

• [x] 1. Team Work Contract (can be submitted as text in the submission portal) - Junrong

• [x] 2. Code of Conduct - Macy

• [x] 3. Contributing File - Vadim

• [x] 4. GitHub set up - Macy

• [x] 5. Script to download all data and merge - Macy

• [x] 6. Intro + Project questions (What do we want to study) - Vadim

• [x] 7. Explain data set + methods - Junrong

• [x] 8. EDA + Visaulization - Jacqueline

  • pm2.5
  • year
  • seasonal (months) - boxplot
  • different locations - boxplot

Note for every one: git hub messages will be marked + we need to clone the repo, create branches et

Reference of GitHub structure

[Jacq4nn]

Agenda for 20 Nov 2021 Secretary: Macy Chan; Scribe: Jacqueline Chong; Commenced at: 11:00am Ended: 1:15pm)

1. General Comments about project

2. Comments by folder/document.

   1A. General Comments about project

   • Fork: ask someone else to merge pull requests
   • For issues: Post the aspects to improve on our code and output directly on 'Issues'

1B. How to deal with Issues tab?

• general issues for the week [Week 1 Tasks and Discussions #1]
• problems we had for each week [Things to fix for Milestone 1 submission]
• We will have at least 8 issues.

1C. Question

• Agree that our inferential question is "Find the better/sign of improvement in air quality in Beijing".

2. Things to fix: A. ReadMe: Intro: @vtaskaev1
   • [ ] Grammatical error: need to add " , " after "September 2021"
   • [ ] Add UCI link
   • [ ] Specify that we are conducting an inferential analysis.

Method: @zjr-mds

• [x] - Sample_A and Sample_B time_A and time_B

• [x] Add H0 and H1 in parenthesis; one-sided test.

• [x] - Ho: Sample A <= Sample B

• [x] - Ha: Sample A > Sample B

• Add exploratory sub questions:

• [x] How does the distribution of time_A and time_B look like? Are they normally distributed?

• [x] Is there an overlap in the 95% confidence interval ranges of sample estimate mean for data subset A?

Results Interpretation:

• [x] need to discuss at least one EDA table and one exploratory data analysis figure.

Dependencies: @MacyChan

• [x] Add new dependencies as seen on issues.

References: @MacyChan - [ ] add UCI link Edit MC: This should be edited by @vtaskaev1

B. Code of conduct @MacyChan

• [x] Change layout of bullet points - [ ] Add part about expectations Edit MC: This is about Expectation requirement from Canvas. See my follow up comment

C. Contributing file @vtaskaev1

• [ ] Change sub titles (Currently, there are 2 x 'Prerequisites')

D. EDA

• [x] Rename file to 'EDA Beijing Air Quality' @MacyChan Study the data @MacyChan
• [x] paragraph to interpret what we are saying ....
• [x] dimension of data
• [x] unique values and value counts (visualise data type and structure that we need) (min and max values) (data type for each column)
• [ ] histogram of average PM2.5 values per month/ per hour. @Jacq4nn
• [x] group_by year and month

@Jacq4nn

• [x] Remove the additional legend [micrograms per cubic meter]
• [x] add units to PM2.5 [theme(legend.position = '')]
• [x] Considering adding the log graph ... use a histogram instead.
• [ ] Create graph for 95% CI. Error bar + tick (531 lab 4)
• [x] ensure that the classes are balanced.

[MacyChan]

B. Code of conduct @MacyChan

• [ ] Change layout of bullet points
• [ ] Add part about expectations

This is about Expectation requirement from Canvas. "Everyone should contribute equally to all aspects of the project." @zjr-mds I think we can just make sure it is on our Project Contract. Then we are good.