N is the number of data (a total of 31 data points for the current VEC-DC system).
To date, a total of 14,645 data have been obtained, comprising declination (3,890 data), inclination (5,572 data) and paleointensity data (5,183 data) from a total of 461 studies.
Each theme contains a number of data elements with a total of 40 data elements included in the analysis.
Both computer and manual systems returned all the required data, giving a total of 700 data variables.
Therefore, there were a total of 134 data sets collected, resulting in a data completion rate of 85.9% (134/156).
A total of seven data tables were created to house compiled data.
> -wrap-foot> A total of four data tables were created to house the compiled data.
For each type of correlated pattern, 10 data matrices are generated, resulting in a total of 30 data matrices.
Thus, two sets of data were independently obtained from 742 geriatric subjects yielding a total of 1484 data sets.
Missing data replaced in this way amounted to 8 out of a total of 336 data points in each analysis.
A total of 512 data points were collected but zero-filled to 1 k during data-processing.
