Link: https://blackboard.cmich.edu/bbcswebdav/pid-3855617-dt-content-rid-3248178

Question

Link: https://blackboard.cmich.edu/bbcswebdav/pid-3855617-dt-content-rid-32481783_1/courses/CPS180-16300-22284994/eeg.csv

You are given a file with your instructor’s EEG signals captured while watching an AR video presentation. The file contains a timestamp, comma, and numbers, one measurement in each row. The first line is a comment line starting with "#". You are to read the file into an line-wise array and determine the averages for each column. This is done in Java Eclipse by the way!

Username & password for link: manzo1rj Snow&board

Explanation / Answer

The username and password isnt working. Unable to login. But let us assume that the file looks something like this

142353663224 , 1 2 3 4

142353663224 , 1 2 3 4

142353663224 , 1 2 3 4

//call this function for very column in a for loop

void calculateAvergaeForEachColumn(int i)
{
BufferedReader br = new BufferedReader(new FileReader("PutNameOfYourCSVFileHere"));
int count=0;
int columnEntries=0;
while ((line = br.readLine()) != null)
{
    // using Comma as delimiter and calculating for average for column[i], where is tarts from 1, as column 0 has timestamp
String[] cols = line.split("[,]");
count=count+cols[i];columnEntries=columnEntries+1;
}
float average=(float) count/columnEntries;
}

Related Questions

Navigate

• Browse (All)
• Browse L
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.