The Effects of Feature Optimization on High-Dimensional Essay Data

Table 2

Descriptions of essay practice data.

Topic	Number of essays	Average length	Human cor.
Small town or big city	266	362.8	0.5202
Parents are the best teachers	774	345.7	0.5308
Qualities of a good neighbor	242	355.8	0.5664
Positive influence of TV or movies	227	354.1	0.5127
Reasons for attending college	241	310.5	0.5527
Dining at a restaurant versus home	385	360.1	0.4567
Why do some people go to museums	221	347.8	0.6096
Best ways to reduce stress	156	356.4	0.4420
Qualities of good parents	211	357.8	0.6260
Achieving success by working hard	370	378.5	0.4408
Rejection of the invite	528	72.8	0.7287
Report on FORBES MEDIA	528	148.8	0.6438
Hiring a family member or friend	528	207.0	0.7319
Total	4677	281.9	0.6088