Search found 5 matches

by LarryYeager
Sun Sep 06, 2020 6:21 pm
Forum: Ventity
Topic: Object reference not set to an instance of an object runtime error
Replies: 6
Views: 5006

Re: Object reference not set to an instance of an object runtime error

Thank you for sharing your model. The null reference and crash errors were data driven software errors, which I have fixed. We will supply you with a new release very soon. There are also some model definition and data issues that cause warnings. We will provide a list of necessary changes along wit...
by LarryYeager
Sun Jul 02, 2017 10:03 pm
Forum: Ventity
Topic: Cohort models age monitoring
Replies: 5
Views: 5207

Re: Cohort models age monitoring

Just added a feature that directly supports grouping attribute values within numeric ranges for a variable or expression. This will be part of Release 1.1, sometime next week.
by LarryYeager
Sun Mar 19, 2017 2:05 am
Forum: Ventity
Topic: Bootstrap error
Replies: 11
Views: 8743

Re: Bootstrap error

The problem was a rename that missed the on chart diagrams (the bug that allowed that may have already been fixed in the development copy). Fixed file attached.

Sorry about that!
by LarryYeager
Mon Mar 13, 2017 8:33 pm
Forum: Ventity
Topic: Mortality rates in a cohort model depending on creation time of the cohort
Replies: 28
Views: 58233

Re: Mortality rates in a cohort model depending on creation time of the cohort

One way to approach this problem is attached. I created a parallel set of cohorts (fh and mh) for high blood pressure populations. Next, I added a related cohort attribute to the cohort entity and populated the original entities with the corresponding cohort IDs. Then an HBP reference was added so t...
by LarryYeager
Tue Feb 07, 2017 7:22 pm
Forum: Ventity
Topic: Mortality rates in a cohort model depending on creation time of the cohort
Replies: 28
Views: 58233

Re: Mortality rates in a cohort model depending on creation time of the cohort

The 10 year inflections are due to the granularity of the table data -- especially at the higher ages. The table function uses linear interpolation that results in a noticeable discontinuity in the rate. This effect can be mitigated by adding more data points. The 10-year average results in too high...