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Experiments

Dec 4 - Preliminary Results

using commit log of existing issues we calculate the correct author
using symfony actvity: matched at 70%
without symfony actvity: matched at 32%

Nov 4

Features:

age
repo_num
follower_num
commit_comment_num
commit_num'
issue_comment_num
issue_event_num
issue_number
org_number
pr_comment_num
pr_num
collaborator_num

K-means

n_clusters: 2
n_init: 10 (default)
max_iter: 300 (default)
tolerance: 0.0001 (default)
algorithm: auto - em, elkan (default)

Training / Test Split

n = 474
30%

Model 1: Decision tree

criterion: entropy
split: best (default)
max_depth: 13
max_features: None - use all (default)
random state: 0

https://github.com/jonlamca/comp5117-lam-wang/blob/d8607c4/python37/data/user_tree.png

Model 2: Random Forest

criterion: entropy
n_estimators: 10 (default)
max_depth: None (full depth)
random_state=3

https://github.com/jonlamca/comp5117-lam-wang/blob/d8607c4/python37/data/user_forest.png