Gas Station - Update Prices

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Gas Station - Update Prices

Postby shirapashu » Tue Feb 05, 2013 10:14 am

Hi all,

In order to optimize the Gas Stations feature, we need your help to set a range of gas prices that could make sens for each of the four different fuel types in your country.

This will allow us to prevent users abuse of gas prices and / or drastic mistakes.

Please fill this form, and with this information we can monitor the real fuel prices locally.

Thank's for your help :-)

Shira
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Re: Gas Station - Update Prices

Postby porubcan » Tue Feb 05, 2013 6:46 pm

Hello Shira,

Any suggestions regarding reporting the prices range? Would you like to report current real min/max prices or the range, that would allow price changes over a time.

Examples. Most common fuel in my country (95-grade unleaded (AKA natural 95)) costs currently 1,469 € up to 1,529 € per liter, when checking nearby stations. Diesel is around for 1,404 to 1,449 per liter. Two-three years ago diesel costed ca. 1,150 in average. So ca. >25% raise.

So what would be appropriate to report for 95-grade?
A. 1,469 - 1,529 and you will set wider range upon your general rules.
Or
B. 1,350 - 1,700 - range allowing price changes according to my judgement.

Would you expect more replys from one country? How would you resolve differences? Maybe this questionaire should be for CMs only. (just thinking loudly)

Thanks for clarifying.

Br
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Last edited by porubcan on Tue Feb 05, 2013 6:56 pm, edited 1 time in total.
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Re: Gas Station - Update Prices

Postby davipt » Tue Feb 05, 2013 6:55 pm

porubcan wrote:Any suggestions regarding setting of the range? Would you like to report current real min/max prices or the range, that would allow price changes over a time.

Examples. Most common fuel in my country (natural 95) costs currently 1,469 € up to 1,529 € per liter, when checking nearby stations. Diesel is around for 1,404 to 1,449 per liter. Two-three years ago diesel costed ca. 1,150 in average. So ca. >25% raise.

So what would be appropriate to report for 95-grade?
A. 1,469 - 1,529 and you will set wider range upon your general rules.
Or
B. 1,350 - 1,700 - range allowing price changes according to my judgement.


For Portugal I assumed the worst case and have set 95/98 from 1,000 to 2.999 and diesel from 1.000 to 1.999. 98 will cross the €2 any time soon here, and 95 will follow in a couple years. When Diesel crosses the €2, I'll change planet, country, or simply close myself at home forever. The lower limit I'm sure we won't see them going down ever.

The current prices here are around €1.469 for Diesel, €1.649 for 95, €1.799 for 98. Then there are some cheaper discount brands, but that's another story.

I'm not that old but still remember my first driving years almost 20 years ago with Diesel at ¢40/liter :(((((

The prices are still too volatile, so IMHO don't set a range too small.

EDIT: GPL range: €0.500 - 1.999
Last edited by davipt on Fri Feb 08, 2013 9:14 am, edited 1 time in total.
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Re: Gas Station - Update Prices

Postby ArlenBystander » Tue Feb 05, 2013 7:16 pm

I haven't submitted the form yet. In the USA, we will not be able to have a unified range - unless very large - for prices across the country. Even within my regular driving area we can have price differences of $.25 for the same grade of gasoline. Prices can also change dramatically within a 24-hour period. Diesel is a less volatile in price changes than gasoline.
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Re: Gas Station - Update Prices

Postby foxitrot » Tue Feb 05, 2013 9:02 pm

Hello Shira,

how often do you expect (or will allow) Waze countries to modify these ranges? If e.g. twice a year would be appropriate, then we could set the bounds tight enough (+- 0.20-0.30 €), in order to prevent mistypes and/or abuse, and regularly update them as necessary. Otherwise the bound are, IMHO, useless, especially in the mentioned form 1.000-2.999.
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Re: Gas Station - Update Prices

Postby davipt » Tue Feb 05, 2013 9:08 pm

foxitrot wrote:Hello Shira,

how often do you expect (or will allow) Waze countries to modify these ranges? If e.g. twice a year would be appropriate, then we could set the bounds tight enough (+- 0.20-0.30 €), in order to prevent mistypes and/or abuse, and regularly update them as necessary. Otherwise the bound are, IMHO, useless, especially in the mentioned form 1.000-2.999.


It depends on what waze (shirapashu) means with "makes sense" and what you asked - how many times can one update them.

I'm sure some countries like USA can have a smaller range as the prices are lower and surely more stable, but for the rest of the world (or europe in my case) a range of 1.0-2.9 is perfectly valid taking in consideration the last few years, the status of the crisis and the state of the rest of the world. On top of that, in Portugal, there are too many variables involved - the crisis, the IMF, the taxes going up all the time - that, as I said, the 98 at currently 1.799 will most probably reach the €2 before the end of the year. I hope I'm wrong.

IMHO the "makes sense" is more about preventing people from entering values by mistake - forgetting the first 1 for example - than trying to prevent people from entering fake values on purpose. Hence my proposal (for my country) for the 1-2.99 to prevent an invalid left-side euro digit by mistake. It has happened to me sometimes, instead of 1.469 the 1 fails and I just notice when I see the 4.69 lacking the third decimal digit.
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Re: Gas Station - Update Prices

Postby foxitrot » Tue Feb 05, 2013 10:02 pm

There can be a problem with per-country limits: particular country might have timely stable prices, but different in various regions.

I would rather prefer some automatic boundary checking according to some average prices in the neighborhood (like 50 km radius and/or 50 nearest stations) and I think that such check is already in use.
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Re: Gas Station - Update Prices

Postby fotrik » Thu Feb 07, 2013 10:40 am

This is going to be very difficult. In our quite small country the prices can differ up to ~25% between small unbranded station hidden in a village and and larger station near border. And I don't count the seasonal changes in it. I would need to set a very relaxed range which would filter out only typo errors like 3.50 instead of 35.00.
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Re: Gas Station - Update Prices

Postby robin1979 » Thu Feb 07, 2013 11:35 am

Static ranges are a very bad idea - they will catch up with you sooner or later (and with the ever inflating fuel prices, probably sooner 8-)).

Lets create a dynamic range (for the Netherlands):
Euro 95: average 1.751 - low 1.611 - high 1.839
This gives us a range of -10% to +15% compared to average. All entered fuel prices outside this range should be considered invalid (probably set the range slightly larger then the exact one calculated here).

LPG: average 0.789 - low 0.769 - high 0.879
Range: -3% to +12%

Diesel: average 1.456 - low 1.409 - high 1.519
Range -4% to +5%

Setting the limits relative to the average fuel price is probably the best solution - at least pretty future proof.
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Re: Gas Station - Update Prices

Postby shirapashu » Thu Feb 07, 2013 11:59 am

porubcan wrote:

Any suggestions regarding reporting the prices range? Would you like to report current real min/max prices or the range, that would allow price changes over a time.

Examples. Most common fuel in my country (95-grade unleaded (AKA natural 95)) costs currently 1,469 € up to 1,529 € per liter, when checking nearby stations. Diesel is around for 1,404 to 1,449 per liter. Two-three years ago diesel costed ca. 1,150 in average. So ca. >25% raise.

So what would be appropriate to report for 95-grade?
A. 1,469 - 1,529 and you will set wider range upon your general rules.
Or
B. 1,350 - 1,700 - range allowing price changes according to my judgement.

Would you expect more replys from one country? How would you resolve differences? Maybe this questionaire should be for CMs only. (just thinking loudly)

Thanks for clarifying.

Br
Stefan

if it looks strange, it's my phone's fault


We would like you to report on the range as you suggested.

We will expect to get more than one replies from one country, so we can valid the results, the final result will be approved with the local CM.

foxitrot wrote:
how often do you expect (or will allow) Waze countries to modify these ranges? If e.g. twice a year would be appropriate, then we could set the bounds tight enough (+- 0.20-0.30 €), in order to prevent mistypes and/or abuse, and regularly update them as necessary. Otherwise the bound are, IMHO, useless, especially in the mentioned form 1.000-2.999.


We want the range to be set for a minimum of 1 year, that why we prefer a range.

davipt wrote:
foxitrot wrote:Hello Shira,

IMHO the "makes sense" is more about preventing people from entering values by mistake - forgetting the first 1 for example - than trying to prevent people from entering fake values on purpose. Hence my proposal (for my country) for the 1-2.99 to prevent an invalid left-side euro digit by mistake. It has happened to me sometimes, instead of 1.469 the 1 fails and I just notice when I see the 4.69 lacking the third decimal digit.


Exactly! :D thank you for clarification!

Thanks

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