Factor Analysis for Mechanical Turk - 4/21/2014 - originality_raw

gistfile1.md

Mechanical Turk - 4/21/2014 - originality_raw

loop_it: [83, 41, 9, 7, 100, 31, 47, 0, 90, 39, 96, 96, 37, 100, 10, 52, 7, 100, 100, 89, 90] ...
odd_it: [23, 20, 15, 50, 49, 34, 25, 27, 30, 38, 37, 44, 37, 34, 41, 57, 57, 49, 2, 17, 32] ...
pair_it: [4, 1, 0, 0, 1, 1, 8, 8, 1, 1, 0, 4, 15, 0, 0, 3, 8, 3, 14, 0, 1] ...
tie_it: [30, 31, 29, 24, 14, 32, 6, 14, 10, 25, 6, 31, 33, 29, 10, 43, 30, 6, 12, 20, 20] ...
map_it: [44, 21, 58, 32, 87, 61, 95, 99, 99, 82, 89, 82, 99, 72, 66, 98, 35, 100, 19, 54, 23] ...

Analysis 2014-07-06 12:48:17 -0700
= Statsample::Factor::ParallelAnalysis
  There are 3 real factors on data
  == Principal Component Analysis
    Number of factors: 2
    Communalities
+----------+---------+------------+--------+
| Variable | Initial | Extraction |   %    |
+----------+---------+------------+--------+
| loop_it  | 1.000   | 0.463      | 46.279 |
| map_it   | 1.000   | 0.584      | 58.436 |
| odd_it   | 1.000   | 0.246      | 24.591 |
| pair_it  | 1.000   | 0.291      | 29.056 |
| tie_it   | 1.000   | 0.615      | 61.475 |
+----------+---------+------------+--------+

    Total Variance Explained
+-------------+---------+---------+---------+
|  Component  | E.Total |    %    | Cum. %  |
+-------------+---------+---------+---------+
| Component 1 | 1.137   | 22.735% | 22.735  |
| Component 2 | 1.062   | 21.232% | 43.968  |
| Component 3 | 0.981   | 19.615% | 63.582  |
| Component 4 | 0.961   | 19.220% | 82.802  |
| Component 5 | 0.860   | 17.198% | 100.000 |
+-------------+---------+---------+---------+

    Component matrix
+---------+-------+-------+
|         | PC_1  | PC_2  |
+---------+-------+-------+
| loop_it | -.673 | -.097 |
| map_it  | -.321 | -.694 |
| odd_it  | -.345 | .356  |
| pair_it | .422  | .335  |
| tie_it  | -.532 | .576  |
+---------+-------+-------+

  Traditional Kaiser criterion (k>1) returns 2 factors
  == Parallel Analysis
    Bootstrap Method: random
    Uses SMC: No
    Correlation Matrix type : correlation_matrix
    Number of variables: 5
    Number of cases: 361
    Number of iterations: 50
    Number or factors to preserve: 0
    Eigenvalues
+---+-----------------+----------------------+--------+-----------+
| n | data eigenvalue | generated eigenvalue |  p.95  | preserve? |
+---+-----------------+----------------------+--------+-----------+
| 1 | 1.1368          | 1.1454               | 1.2100 |           |
| 2 | 1.0616          | 1.0620               | 1.1051 |           |
| 3 | 0.9807          | 0.9951               | 1.0299 |           |
| 4 | 0.9610          | 0.9401               | 0.9722 |           |
| 5 | 0.8599          | 0.8574               | 0.9135 |           |
+---+-----------------+----------------------+--------+-----------+

  Parallel Analysis returns 0 factors to preserve