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

All Weeks Data Science with R – Capstone Project Quiz Answers

In this capstone course, you will apply various data science skills and techniques that you have learned as part of the previous courses in the IBM Data Science with R Specialization or IBM Data Analytics with Excel and R Professional Certificate.

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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
Data Science with R – Capstone Project Course Review:

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This Course is a part of the IBM Data Analyst Professional Certificate.

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This course is intended for audiences of all experiences who are interested in learning about Data Analytics in a business context; there are no prerequisite courses.

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