Gas Station - Update Prices

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Re: Gas Station - Update Prices

Postby gettingthere » Fri Mar 01, 2013 4:08 pm

petervdveen wrote:You can see all responses there?
Not only your own?


Yep. Privacy = NO...
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Re: Gas Station - Update Prices

Postby neeroc » Fri Mar 01, 2013 3:04 pm

petervdveen wrote:You can see all responses there?
Not only your own?



Yes - check out this link - https://docs.google.com/forms/d/1YadrXl ... wanalytics

I'll fill it out for Canada once the email addresses are protected.
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Re: Gas Station - Update Prices

Postby petervdveen » Fri Mar 01, 2013 9:20 am

You can see all responses there?
Not only your own?
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Re: Gas Station - Update Prices

Postby gettingthere » Thu Feb 28, 2013 11:29 pm

Shira - Can you hide email addresses on the form when clicking 'show previous responses'? That information should be private for Waze only.
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Re: Gas Station - Update Prices

Postby gettingthere » Thu Feb 28, 2013 4:00 pm

For the USA, something like this may be reasonable for all grades:

Minimum - $2.00 per gallon
Maximum - $6.00 per gallon

The prices vary by a large amount by region and also the prices are highly volatile. I added this info to the linked form.
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Re: Gas Station - Update Prices

Postby robindlc » Sun Feb 17, 2013 10:05 am

File sent for Spain...

Since we have to cover Canary Islands, with different taxes and lower prices, we just set up minimum and maximum to prevent clerical mistakes... so we just put a range from 1.000 to 2.999

Alternatively an approach considering average prices and allowing a fixed percentage up and down would also work, as proposed in this same thread...

As a curiosity, here a link showing a dossier from spanish gov which also consider prices in other European countries..
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Re: Gas Station - Update Prices

Postby cobornkid » Sat Feb 16, 2013 1:50 pm

The EIA site has some good data you could use for the us. If there's no API it is easy to scrape it into Json and query that.

http://www.eia.gov/dnav/pet/pet_pri_gnd_dcus_sfl_w.htm

I would suggest setting the acceptable range dynamically based on the average price in the area the day before. The size of allowable variation could easily be calculated from the volatility over the previous year.

That said, I've filled the form in anyway.
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Re: Gas Station - Update Prices

Postby leocylau » Fri Feb 15, 2013 12:56 pm

For UK, http://www.petrolprices.com/ is a good reference.
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Re: Gas Station - Update Prices

Postby robin1979 » Fri Feb 15, 2013 9:31 am

daknife wrote:I'm still not seeing any reason to lock in prices to a restrictive range. In the US in the last year we've seen a greater than 1 dollar per gallon fluxuation in price in just my area. And have seen a range crossing several dollars for the same grade depending on where you are in the country. Even within a state the range can vary widely for the same grade of fuel, and change daily if not more often.

Perhaps a better explanation of what exactly you expect this to do, or rather enable you to do. I don't see the wisdom of trying to lock prices to a set range, especially with a once per year limit on changing the range.


Yeah, I agree. This is really one of the most brilliant ideas they have. Especially since it's so bloody easy figuring out if a price is sane with some simple high-school math (look at a post from me before), while keeping the ranges dynamic and automatically adjusting.
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Re: Gas Station - Update Prices

Postby davipt » Fri Feb 15, 2013 8:58 am

Have you all been reading the whole thread? Is it that hard to specify a range that prevents user errors ;)?
For the US, on a first look at google I saw prices around $3.>5 for fuel, $4.<5 for 98 and $4.<5 for diesel, so I'd personally set 95 to $2.5-4.9, 98 to 3.0-5.5 and same for diesel. Just because I personally think the fuel will never ever go down in Europe but may somehow go down in the US, hence why the lower limits.

Shira, maybe it would have been easier to ask the question like "what is the range of the first and second digits". :P

The idea is just to avoid people entering $1.234 or $9.999 by mistake or malice. Nobody can predict the price range to the cent in one year, at least not in this kind of world.

I hope in one year we're asking waze for a new field for electricity price or something :)

shirapashu wrote:
davipt 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

Shira
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