To Import the Data Set

To Import the Data Set

<p>Assuming the rainfall data set is already imported and saved as “raindata”:</p><p>STEM-AND-LEAF DISPLAYS ------</p><p>Go to these menus: Graphs --> Stem-and-leaf-display Choose: Variable: rain Check: Leafs Digit: Automatic Select: Parts Per Stem: Automatic Style of Divided Stems: Repeated Stem Digits UN-Check: Trim Outliers Show Depths Reverse Negative Leaves Click: [OK]</p><p>The result will appear in the Output Window of R Commander.</p><p>HISTOGRAMS ------</p><p>Go to these menus: Graphs --> Histogram Choose: Variable: rain Check: Number of bins: <auto (or select the number of classes you want) Select: Axis Scaling: Frequency Counts (For a frequency histogram) Axis Scaling: Percentages (For a relative frequency histogram) Click: [OK]</p><p>The result will appear in a Graphics window of R Commander.</p><p>BOXPLOTS ------</p><p>Go to these menus: Graphs --> Boxplot Choose: Variable: rain Check: Identify outliers with mouse (if you want to be able to quickly identify outliers) Click: [OK]</p><p>The result will appear in a Graphics window of R Commander.</p><p>NORMAL Q-Q PLOTS ------</p><p>Go to these menus: Graphs --> Quantile-comparison plot Choose: Variable: rain Check: Identify observations with mouse (if you want to be able to quickly identify outliers) Select: Normal Click: [OK]</p><p>The result will appear in a Graphics window of R Commander.</p><p>BAR GRAPHS: ------</p><p>First import and save the data set in the aphasia.txt file in a similar manner as the rainfall data set. You can label the categorical variable as type.</p><p>Go to these menus: Graphs --> Bar graph Choose: Variable: type Click: [OK]</p><p>The result will appear in a Graphics window of R Commander.</p><p>PIE CHARTS: ------</p><p>First import and save the data set in the aphasia.txt file in a similar manner as the rainfall data set. You can label the categorical variable as type.</p><p>Go to these menus: Graphs --> Pie chart Choose: Variable: type Click: [OK]</p><p>The result will appear in a Graphics window of R Commander. GETTING SUMMARY STATISTICS: ------</p><p>Go to these menus: Statistics --> Summaries --> Numerical summaries</p><p>The default choices give you the sample mean, sample standard deviation, 5-number summary, and sample size. The result will appear in the Output Window of R Commander.</p>

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    3 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us