Family curves are stored as a series of points in CurveX and R0. You feed them and an age into the spline() function to get the family curve value for any given age. The equation for determining condition using a family curve is:
Date |
Section 1 PCI |
Section 1 PCI Type |
Section 2 PCI
|
Section 2 PCI Type |
Average |
1/1/1995 |
100 |
Initial Construction |
NULL |
NULL |
|
1/1/1996 |
97.4 |
Interpolation |
NULL |
NULL |
|
1/1/1997 |
94.9 |
Interpolation |
NULL |
NULL |
|
1/1/1998 |
92.3 |
Interpolation |
NULL |
NULL |
|
6/1/1998 |
91 |
Inspection |
NULL |
NULL |
|
6/1/1999 |
88.4 |
Interpolation |
NULL |
NULL |
|
6/1/2000 |
85.9 |
Interpolation |
NULL |
NULL |
|
9/1/2000 |
83.3 |
Interpolation |
100 |
Initial Construction |
|
6/1/2001 |
82 |
Inspection |
97 |
Inspection |
|
6/1/2002 |
81 |
Family |
96.8 |
Family |
|
6/1/2003 |
79 |
Family |
96.6 |
Family |
|
6/1/2004 |
76 |
Family |
96.4 |
Family |
|
9/1/2004 |
71 |
Family |
96.1 |
Family |
|
9/1/2004 |
100 |
Reconstruction |
95.7 |
Family |
|
1/1/2005 |
99 |
Family |
95.3 |
Family |
|