|
Table 3. Men's and women's freestyle swimming events, type of mathematical function and predictive equations. |
|
Gender |
Event |
Type |
Equation |
R2 value |
|
Men |
50m |
Inverse |
y
= -44.77 + 134064.199 / year
|
.543 ns |
|
100m |
Compound |
y
= 42747.22 x .99year
|
.972 * |
|
|
200m |
Sigmoidal |
y
= e- 1.33 + 11971.98 / year
|
.862 * |
|
|
400m |
Cubic |
y
= 12572.6 - 8.79 x year +6.53 x 10-7 x year3
|
.977 * |
|
|
1500m |
Cubic |
y
= 4045.71 - 27.31 x year + 1.88 x 10-6 x year3
|
.963 * |
|
|
Women |
50m |
Inverse |
y
= 71.68 + 193578 / year
|
.732 ns |
|
100m |
Cubic |
y
= 7417.11 - 5.48 x year + 4.5 x 10-7 x year3
|
.959 * |
|
|
200m |
Sigmoidal |
y
= e-0.54 + 8451.02 / year
|
.812 * |
|
|
400m |
Cubic |
y
= 1565 - 1.68 x 10-7 x year3
|
.976 * |
|
|
800m |
Sigmoidal |
y
= e-1.26 + 14938.8 / year
|
.692 * |
|
|
ns:
due to the small degrees of freedom; * p < 0.05
|