CP estimate

[Alex]

Hi,

Activity overview contains "CP Estimate" tile. It always shows 0, what training should I do to get this working?

Best,

[Ale Martinez]

Check the formula, if it uses Ext model it needs rides (or runs) with power longer than an hour in the preceding 6 weeks period 

[Alex]

It seems to use ext:

est <- round((estimate(cp3,cp) +
estimate(cp2,cp) +
estimate(ext,cp))/3);

I've got many rides with power over 1h, even 3h rides, but still CP estimate shows 0. I've tried to add secondary overview chart (to not brake my custom one) and still no luck. How can I check what's wrong?

[Steve Edmonds]

There is more discussion in the thread "something wrong with CP estimate in last workout".
The documentation is not yet complete for GC3.6 to fully explain the tile, but looking at CP Estimate calculation the "week" is not a standardised week (i.e. Mon.-Sun. or Sun.-Sat.) but has the start day defined by the first activity with power in your activities folder. Multiple activities seem to be required in a week for it to be included, as Ale mentions. If the most recent activity you select in the activity view does not fall in a week as defined by your very first activity (with power) that also has multiple activities then 0 is shown for that activity.

Personally, if I compare the CP Estimate from the overview tile with the CP estimate from the CP chart tab, I feel the CP from the CP chart tab more realistically estimates the CP I am capable of.

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