Data Science with R – Capstone Project Quiz Answers – Networking Funda

Data Science with R – Capstone Project Week 01 Quiz Answers

Quiz: Checkpoints

Q1. Have you web scraped and extracted bike-sharing systems as a data frame from the global Bike-sharing Systems Wiki page?

  • Yes
  • No

Q2. Have you collected weather forecast data for a list of cities using OpenWeather API?

  • Yes
  • No

Q3. Have you downloaded other relevant data sets from cloud storage?

  • Yes
  • No

Data Science with R – Capstone Project Week 02 Quiz Answers

Quiz: Checkpoints

Q1. Have you standardized column names to be all uppercase and use underscore to separate words?

  • Yes
  • No

Q2. Have you removed undesired Wiki reference links `[ ]`?

  • Yes
  • No

Q3. Have you extracted only the numeric bike count?

  • Yes
  • No

Q4. Have you handled missing values for `RENTED_BIKE_COUNT` and ‘TEMPERATURE` variables?

  • Yes
  • No

Q5. Have you created indicator (dummy) variables for all categorical variables?

  • Yes
  • No

Q6. Have you normalized all numeric variables with min-max scaling?

  • Yes
  • No

Data Science with R – Capstone Project Week 03 Quiz answers

Quiz: Checkpoints

Q1. Have you created a Db2 database asset in your IBM Watson Studio project?

  • Yes
  • No

Q2. Have you loaded four datasets into Db2 Tables?

  • Yes
  • No

Q3. Have you used SQL queries with the RODBC R package to perform EDA?

  • Yes
  • No

Q4. Have you loaded the SEOUL BIKE SHARING dataset in R and cast some data types?

  • Yes
  • No

Q5. Have you used TidyVerse to perform statistical analysis on the data?

  • Yes
  • No

Q6. Have you used ggplot2 to discover patterns in your data through visualization?

  • Yes
  • No

Data Science with R – Capstone Project Week 04 Quiz Answers

Quiz: Checkpoints

Q1. Have you built a baseline regression model with only weather-related variables?

  • Yes
  • No

Q2. Have you built a baseline regression model with all variables?

  • Yes
  • No

Q3. Have you evaluated and compared model performance using RMSE and R-squared metrics?

  • Yes
  • No

Q4. Have you built at least five refined models using polynomial terms, interaction terms, and regularization?

  • Yes
  • No

Q5. Have you evaluated and visualized their RMSE and R-squared metrics using a grouped bar chart?

  • Yes
  • No

Q6. Have you selected the best-performing model and visualized its Q-Q plot?

  • Yes
  • No

Data Science with R – Capstone Project Week 05 Quiz Answers

Quiz: Checkpoints

Q1. Have you created an R Shiny app with a basic max bike prediction overview map using leaflet?

  • Yes
  • No

Q2. Have you added a select input (dropdown) to select a specific city to the R Shiny app?

  • Yes
  • No

Q3. Have you added a static temperature trend line to the R Shiny app?

  • Yes
  • No

Q4. Have you added an interactive bike-sharing demand prediction trend line to the R Shiny app?

  • Yes
  • No

Q5. Have you added a static humidity and bike-sharing demand prediction correlation plot to the R Shiny app?

  • Yes
  • No
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