Table 4 Preprocessed data sample for performing clustering—each column represents the frequency counts for a specific course category and a letter grade; each row represents a unique student’s performance profile
From: Examining students’ course trajectories using data mining and visualization approaches
P/A | P/B | P/C | P/D | P/F | PL/A | PL/B | ... | MG/D | MG/F | |
|---|---|---|---|---|---|---|---|---|---|---|
St1 | 4 | 2 | 0 | 0 | 0 | 5 | 1 | ... | 0 | 0 |
St2 | 1 | 3 | 3 | 0 | 0 | 2 | 3 | ... | 0 | 0 |
St3 | 0 | 2 | 4 | 0 | 0 | 1 | 4 | ... | 0 | 0 |
St4 | 0 | 0 | 2 | 3 | 2 | 0 | 0 | ... | 1 | 0 |
St5 | 0 | 0 | 0 | 4 | 3 | 0 | 0 | ... | 2 | 1 |
... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... |