1. Introduction to R Commander
R Assignment #2:
Introduction to R Commander
(Due Sept 19 – by )
BIOL
David Hyrenbach

2. Assignment for Week 3 Clear Workspace and History.
Install and run the Rcmdr package.
Manually enter and edit data files (LecturerData)
4. Import RData files in 3 formats: xlxs, txt, csv
5. Calculate summary statistics and make plots
6. me your assignment, by Sept 19
(this exercise is worth 2.5 points)

3. Instructions Answer the questions in the spaces provided
Paste screen shots of the R Studio software
Once you are done, change the title of this file, by adding your name
(e.g., “R_Assignment2_Hyrenbach.ppt”)
4. this file to the instructor at
using the following title:
“BIOL4090 – 6090: “R Assignment #2”

4. Questions / Answers Once you have created these two datasets.
Copy and paste screenshots of the two dataframes:
LecturerData (+0.25) LecturerOnly (+0.25)

5. Questions / Answers
2. Figure out how to import this csv file: RData3.csv
Explain how you managed to import this file.
Report the R commands you used (+0.375)

6. Questions / Answers
3. Once you have entered all 3 “RData#” datasets, document you did so in two different ways (+0.25 each) :
Paste a screenshot of your RCmdr “Select the Dataset” scroll window, so it shows all the available datasets OR
Paste a screenshot of your “Global Environment” window in R Studio

7. Questions / Answers
4. Enter the following information, from the three datasets: RData1, RData2, RData3 ( for each)
Summary Statistics
RData 1
RData2
RData3
Min
1st Quartile
Median
Mean
3rd Quartile
Max

8. Questions / Answers
5. Create, save and paste three histograms: one for each of the three datasets: RData1, RData2, RData3.
Paste each histogram in a separate slide and make sure you report the summary statistics you calculated in question 4.
( for each)

9. Questions / Answers
6. Create, save and paste three box plots: one for each of the three datasets: RData1, RData2, RData3.
Paste each plot in a separate slide and make sure you report the summary statistics you calculated in question 4.
( for each)