can you exclude certain statistics from a single ride file?

[Michael]

On a recent trainer ride where I did some sprints, my speed sensor said that I hit 57mph.  This is screwing up a graph where I keep track of the fastest I've ever ridden by month (currently 42.3mph).  Can I exclude "max speed" from a single ride file?  If so, how?

[Tom Weichmann]

Mike,

This is pretty common.  Rather than excluding this ride all together, you can just fix the one bad point.  Go to the ride with the bad data point and go to the editor tab (if you don't have one already go to Tools->Add Chart->Editor).  Use the "find" button at the top to find your bad point and edit it to something that makes sense.  Click save and you should be good.  You may have to close and re-open GC to see your chart changed.

Tom

2014-03-24 11:52 GMT-04:00 Michael <mic...@michaelsledge.com>:

On a recent trainer ride where I did some sprints, my speed sensor said that I hit 57mph.  This is screwing up a graph where I keep track of the fastest I've ever ridden by month (currently 42.3mph).  Can I exclude "max speed" from a single ride file?  If so, how?

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[Michael]

I see that functionality and understand it.  I've got a question though.  Looking in my trainer ride file, if I do a search for all speeds higher than 30mph, I get values anywhere from 30 all the way up to 90.  However, the max speed reported for the ride is 57.2.  Is there a period of time (3 seconds) that a speed must be maintained above before it gets reported as a maximum value?

On Monday, March 24, 2014 11:52:26 AM UTC-5, Tom wrote:

Mike,

This is pretty common.  Rather than excluding this ride all together, you can just fix the one bad point.  Go to the ride with the bad data point and go to the editor tab (if you don't have one already go to Tools->Add Chart->Editor).  Use the "find" button at the top to find your bad point and edit it to something that makes sense.  Click save and you should be good.  You may have to close and re-open GC to see your chart changed.

Tom

2014-03-24 11:52 GMT-04:00 Michael <mic...@michaelsledge.com>:

On a recent trainer ride where I did some sprints, my speed sensor said that I hit 57mph.  This is screwing up a graph where I keep track of the fastest I've ever ridden by month (currently 42.3mph).  Can I exclude "max speed" from a single ride file?  If so, how?

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[Tom Weichmann]

Hi Mike,

Likely your ride file units are in km/h and get converted into mph for display by GC metrics.  90km/h is ~56mph..

Tom

[Michael]

I apologize if this gets posted twice.  I have GC units set to Imperial.  I have my 910 units set to Statute.  The ride for the most part looks good.  At the end of the ride I did a couple of 800 watt sprints (just a few seconds) where my cadence bumps up to 112.  I wouldn't think this would result in a speed that high on the trainer.  I have my wheel tightened down pretty hard on my Kurt Kinetic Road Machine.

On Monday, March 24, 2014 1:25:30 PM UTC-5, Tom wrote:

Hi Mike,

Likely your ride file units are in km/h and get converted into mph for display by GC metrics.  90km/h is ~56mph..

Tom

2014-03-24 14:15 GMT-04:00 Michael <mic...@michaelsledge.com>:

I see that functionality and understand it.  I've got a question though.  Looking in my trainer ride file, if I do a search for all speeds higher than 30mph, I get values anywhere from 30 all the way up to 90.  However, the max speed reported for the ride is 57.2.  Is there a period of time (3 seconds) that a speed must be maintained above before it gets reported as a maximum value?

On Monday, March 24, 2014 11:52:26 AM UTC-5, Tom wrote:

Mike,

This is pretty common.  Rather than excluding this ride all together, you can just fix the one bad point.  Go to the ride with the bad data point and go to the editor tab (if you don't have one already go to Tools->Add Chart->Editor).  Use the "find" button at the top to find your bad point and edit it to something that makes sense.  Click save and you should be good.  You may have to close and re-open GC to see your chart changed.

Tom

2014-03-24 11:52 GMT-04:00 Michael <mic...@michaelsledge.com>:

On a recent trainer ride where I did some sprints, my speed sensor said that I hit 57mph.  This is screwing up a graph where I keep track of the fastest I've ever ridden by month (currently 42.3mph).  Can I exclude "max speed" from a single ride file?  If so, how?

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[Michael]

Oh I see what you're saying.  The units when you edit it are in km/h but get converted by my Garmin or GC.  Is this normal behavior for Garmins?  To save the speed in the file in km/h?

[Brett Dikeman]

On Mon, Mar 24, 2014 at 12:52 PM, Tom Weichmann <t...@weichmann.org> wrote:

> This is pretty common. Rather than excluding this ride all together, you
> can just fix the one bad point.

On a related note: how do people exclude rides from the LTM charts
where it doesn't make sense for the ride to show up? For example, if
you're tracking 1 minute power but doing a bunch of trainer sessions
with no real anaerobic work, the chart is going to look like a mess,
the trend line won't be right, etc. Do people use keywords and filters
to exclude those rides (or, of course, keywords and filters to only
*include*), or is there some even-more-clever way?

[Tom Weichmann]

I'm not an expert on your head unit, but I think the "unit settings" for most only control the displayed units on the screen and not the recorded values in the file.  Can't speak to the possibility of hitting 57.2 mph (or 92 km.h) on your trainer, but like you said, seems like a bad data point to me.

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[ger...@gmail.com]

Is there someone who can help me with this request?

I don't use a power meter in my MTB rides so I edit a manual TSS value to have a correct PMC.

But for other statics, for example, time per zone, this kind of rides makes all the statistics wrong because the values are incorrect (average power is 0, so all the rides seems a L1 ride).

Can you exclude a ride from a statistic, for example a Efficiency Factor or Time per Zones statistic chart?

Thank you very much!

[Ale Martinez]

You can attach a filter to a chart to exclude those rides, for example:

Average_Power = 0

for rides without power, or

Max_Speed < 100

for rides with too high speed, or

Sport <> "MTB"

to exclude rides tagged in a certain way, you can add fields with a set of keywords for that purpose if you like.

More information in the wiki, about filters: https://github.com/GoldenCheetah/GoldenCheetah/wiki/UG_Special-Topics_SearchFilter and data fields: https://github.com/GoldenCheetah/GoldenCheetah/wiki/UG_Preferences_Data%20Fields

[ger...@gmail.com]

The perfect reply! Thank you!