Task pred slack earliest most likely latest expected beta WEATHER: identify current data locations 4-Apr 8-Apr 15-Apr 8-Apr-03 30.25 talk to NOAA meterologists 8-Apr 10-Apr 25-Apr 12-Apr-03 72.25 water vapour radiometer data 8-Apr 11-Apr 30-Apr 13-Apr-03 121.00 Weather Data from NOAA 11-Apr 14-Apr 30-Apr 16-Apr-03 90.25 interpret weather data 23-Apr-03 23-Apr 18-Apr 20-Apr 19-Apr-03 3.06 weather forecast into database 23-Apr-03 11-Apr 18-Apr 1-Jun 24-Apr-03 650.25 weather data from phase table 13-Apr-03 3 16-Apr-03 18-Apr 1-Jun 25-Apr-03 513.78 Evalauate Conditions 18-Apr 16-May 1-Jun 14-May-03 484.00
SCHEDULING: identify Project List source 7-Apr 8-Apr 11-Apr 8-Apr-03 4.00 identify Project List format 7-Apr 8-Apr 11-Apr 8-Apr-03 4.00 determine required data model (tables) 7-Apr 18-Apr 1-Jun 23-Apr-03 756.25 determine required data formats 11-Apr 18-Apr 1-Jun 24-Apr-03 650.25 Project Prioritization heuristic -testing 24-Apr-03 14-Apr 24-Apr-03 1-Jun 28-Apr-03 576.00 Project Prioritization heuristic -final 28-Apr-03 1 29-Apr-03 9-May 1-Jun 11-May-03 259.57 GUI Development initial GUI design 7-Apr 7-Apr 11-Apr 7-Apr-03 4.00 schedule display 24-Apr-03 18-Apr 25-Apr 9-May 26-Apr-03 110.25 weather display 25-Apr-03 18-Apr 25-Apr 30-May 29-Apr-03 441.00 How this Plan Was Created
This plan is an educated WAG based on PERT analysis; we assume a Gaussian distribution of possible times, and then fit this Gaussian to three parameters of (min, expected, max) with a bone-simple weighted average of (min+4*expected+max)/6.
This works surprisingly well.
See also PertEstimates
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