Introduction to R Commander

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Presentation transcript:

Introduction to R Commander R Assignment #2: Introduction to R Commander (Due Sept 19 – by email) BIOL 4090 - 6090 David Hyrenbach khyrenba@gmail.com

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. Email me your assignment, by Sept 19 (this exercise is worth 2.5 points)

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. Email this file to the instructor at khyrenba@gmail.com, using the following title: “BIOL4090 – 6090: “R Assignment #2”

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

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)

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

Questions / Answers 4. Enter the following information, from the three datasets: RData1, RData2, RData3 (+0.125 for each) Summary Statistics RData 1 RData2 RData3 Min 1st Quartile Median Mean 3rd Quartile Max

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. (+0.125 for each)

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. (+0.125 for each)