IST 615 Business Intelligence System

In this assignment you will be using swirl - R package. It will guide you by step-by-step process through a self-paced interactive learning environment. Assuming that you've already installed R and RStudio, you need to install swirl package. To install swirl package, type the following in R studio console: install.packages("swirl") and press Enter, then just type the following, pressing Enter after each line: > library("swirl") > swirl() Select Option 1 (i.e., "R Programming" ). Complete the following exercises within "R Programming" 1: Basic Building Blocks 2: Workspace and Files 3: Sequences of Numbers 4: Vectors 5: Missing Values 6: Subsetting Vectors 7: Matrices and Data Frames 8: Logic 9: Functions 12: Looking at Data 15: Base Graphics Once the the exercises are complete, upload the .Rhistory file in the blackboard. The .Rhistory file can be found in your working directory. You can locate the working directory by typing getwd() in Rstudio console. This is an individual assignment. Your output file should be unique because it logs all your activities and under no circumstances would resemble with others. Therefore, do not try to copy from others which can be esaily detected. Plagiarism will be severely dealt with and will be subject to disciplinary action. To navigate through swirl you need to remember the following commands: When you are at the R prompt (>):| -- Typing skip() allows you to skip the current| question.| -- Typing play() lets you experiment with R on| your own; swirl will ignore what you do...| -- UNTIL you type nxt() which will regain| swirl's attention.| -- Typing bye() causes swirl to exit. Your| progress will be saved.| -- Typing main() returns you to swirl's main| menu.| -- Typing info() displays these options again. Note: The swirl may ask your e-mail for certification. Just ignore this option. By submitting this paper, you agree: (1) that you are submitting your paper to be used and stored as part of the SafeAssign™ services in accordance with the Blackboard Privacy Policy; (2) that your institution may use your paper in accordance with your institution's policies; and (3) that your use of SafeAssign will be without recourse against Blackboard Inc. and its affiliates.