An Interior Point Method for 𝐿_1/2-SVM and Application to Feature Selection in Classification

Table 2

Frequency of the most important features (𝑥₃,𝑥₆) ranked on top 2 in 30 runs.

𝑛	10	20	30	40	50	60	70	80	90	100
𝐿1-SVM	7	14	16	18	22	23	20	22	21	22
𝐿0-SVM	3	11	12	15	19	22	22	23	22	25
𝐿1/2-SVM	9	16	19	24	24	23	27	26	26	27