analyzing and visualizing data

Background: As we have learned, a lot of thought goes into the design of a visualization. This week we review how the data types influence the graphing types.

Assignment:

• Use RStudio to generate a word document with simple graphs of the following dataset: dataset_price_personal_computers.csv
• Review the slides to learn the data types requirements for each graph type: Analyzing and Visualizing Data – Selecting a Graph.pptx
• Use the following videos to learn the commands to produce simple graphs in RStudio: RStudio – Simple Graphs – Part1.mp4 | RStudio – Simple Graphs – Part2.mp4
  

Graphs to Produce:

Pie Chart:

• Create a pie chart of the computer ram
• Label the ram sizes as follows: 2GB, 4GB, 8GB, 16GB, 24GB, 32GB
• Title the pie chart as “Computer Ram”
• Color the pie chart using the rainbow option

Bar Plot:

• Create a barplot of the computer screen sizes
• Label the x axis as “Screen Sizes”
• Label the y axis as “Frequency”
• Title the barplot as “Computer Screen Sizes”
• Color the bars in the barplot any color you wish.

Histogram: (Caution — the first video is incorrect. Make sure you watch the video entitled “Correction – Histogram Chart”)

• Create a histogram of the computer prices
• Label the x axis as “Prices”
• Title the histogram as “Computer Prices”
• Give the histogram any color you wish.

Box Plot:

• Create a boxplot of the comparing the computer price and premium category
• Label the y axis as “Price”
• Label the x axis as “Premium”
• Title the boxplot as “Premium Computer Prices Distribution”
• Color the boxplot any color you wish.

Scatter Plot:

• Create a scatter plot of computer price and hard drive size
• Label the x axis as “Hard Drive Size”
• Label the y axis as “Price”
• Title the scatter plot as “Computer Price vs Hard Drive Size”
• Color the scatter any color you wish.

Your document should be an easy-to-read font in MS Word (other word processors are fine to use but save it in MS Word format). Your cover page should contain the following: Title, Student’s name, University’s name, Course name, Course number, Professor’s name, and Date.

 

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