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P6 Calculating (apparently incorrect) variances

In the Open Standard
Andrew EdwardsMember for 21 years 11 months
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I'm tearing whats left of my hair out here.

I'm trying to set up a variance layout to assist with a delay report I'm writing.

The issue I have is the variances P6 is calculating seem incorrect, in some circumstances looking approximately double the difference between the calendar dates.

The activities are on a 24hr calendar, could this explain the issue?

Cheers in advance, Andy.

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3 replies

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  1. 0
    David Kelly ·
    #1

    You need to change the dates

    You need to change the dates to include time, and changethe durations to hours before you can check the arithmetic. P6 does all of its calculations and store all of its quantities in hours.

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  2. 0
    Zoltan Palffy ·
    #2

    david is correct make sure

    david is correct make sure that your TIMES are correct and that your decimal places are set to 2 places 

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  3. 0
    Rafael Davila ·
    #3

    Once you figure out the

    Once you figure out the intricacies of your software you should be up and running.

    Keep in mind at times it is convenient to know date differences if using activity or a reference calendar, in such case user defined fields and formulas [Global Change] can be of help, the details will depend on your software.

    Say an activity is projected to finish late by a 2 days plus 2 hours but if it happened just after a weekend, in terms of activity calendar it is late by 2 hours.  This information is good to know and compare side by side.

    photo DT_Functions_zpseyvpxnlj.png

    Good luck.

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