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Re: (Score: 0) by Anonymous on Tuesday, November 11, 2003 @ 14:38:32 UTC | "a convoluted attempt to interpret the above sentence."
Your just seeing this now! This is evident in every one of JL's posts. Just bad interpretations. |
| Parent- Re: by Anonymous on Wednesday, November 12, 2003 @ 10:02:54 UTC
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Mixing means and extremes (Score: 1) by chipotle_pickle on Friday, November 14, 2003 @ 09:47:46 UTC (User Info | Send a Message) http://freehydrogen.blogspot.com | The examples you come up with mix an extreme with a mean, the rated capacity of the device with what it actually produces. You twice divide a cost by a maximum to come up with an average (that would have to be a min) and assume they are doing the same thing. I would have been all over them if their calculations were as messed up as yours. What they do is take a $15 per month cost, divide it by (30 days/month * 26.6 kWh/day) to get 1.9 cents per kWh of *capacity*. Not 1.9 cents per kWh produced, since they never make any assumptions about what's actually produced. This calculation is correct enough; it's only wrong to compare that to a monthly electric bill without doing some time discounting. They could have been clearer that they meant it was the cost of capacity and probably shouldn't have called it "operational cost" but those are fine points it's unreasonable to complain about. That they got the $15 per month by using a 10 month year in their division is funny partially because it's the only real error on what was otherwise (except for the time discounting problem) a carefully spelled out page.
Your water filters idea is especially off. If the water filters were supposed to be part of a per kWh of *production* cost, then they would have to be replaced not on an annual basis but on the basis of how much power was produced. (That makes more sense anyway.) But just say out loud, "The water filters cost 1.9 cents per kWh.".
It's funny you would say I'm not an economist. Phillip Cagan once wrote me saying much the same thing, but he didn't need to make a bunch of math errors to drive his point home. |
| Parent- Re: Mixing means and extremes by mlmitton on Friday, November 14, 2003 @ 11:00:24 UTC
- Still mixing means and extremes by chipotle_pickle on Friday, November 14, 2003 @ 11:26:21 UTC
- Re: Still mixing means and extremes by mlmitton on Friday, November 14, 2003 @ 12:10:57 UTC
- Mixing means and extremes by chipotle_pickle on Friday, November 14, 2003 @ 12:52:22 UTC
- average=max by chipotle_pickle on Friday, November 14, 2003 @ 14:14:05 UTC
- this dialog? by Anonymous on Friday, November 14, 2003 @ 14:22:03 UTC
- Sorry by chipotle_pickle on Friday, November 14, 2003 @ 15:35:30 UTC
- Re: ?? by Anonymous on Friday, November 14, 2003 @ 17:44:06 UTC
- Anthony by chipotle_pickle on Friday, November 14, 2003 @ 18:08:13 UTC
- Re: Anthony by Anonymous on Friday, November 14, 2003 @ 18:57:57 UTC
- Re:follow up question by Anonymous on Friday, November 14, 2003 @ 19:07:24 UTC
- good questions by chipotle_pickle on Saturday, November 15, 2003 @ 06:51:59 UTC
- Re: next by Anonymous on Saturday, November 15, 2003 @ 16:48:30 UTC
- Tougher question by chipotle_pickle on Sunday, November 16, 2003 @ 09:46:06 UTC
- Re: Tougher question by Anonymous on Sunday, November 16, 2003 @ 10:34:59 UTC
- Re: Follow up by Anonymous on Sunday, November 16, 2003 @ 17:47:45 UTC
- Easier said than done by chipotle_pickle on Monday, November 17, 2003 @ 07:08:33 UTC
- Re: silence by Anonymous on Tuesday, November 18, 2003 @ 17:36:51 UTC
- Re: silence by Anonymous on Wednesday, November 19, 2003 @ 06:08:34 UTC
- Re: silence by Anonymous on Thursday, November 20, 2003 @ 09:27:54 UTC
- Re: silence by Anonymous on Thursday, November 20, 2003 @ 11:38:15 UTC
- Re: silence by Anonymous on Friday, November 21, 2003 @ 10:27:28 UTC
- Re: silence by baldy on Friday, November 21, 2003 @ 11:22:37 UTC
- Re: Pickle? by Anonymous on Friday, November 21, 2003 @ 20:12:06 UTC
- Re: silence by Anonymous on Tuesday, November 25, 2003 @ 14:55:00 UTC
- Re: silence by baldy on Tuesday, November 25, 2003 @ 15:28:29 UTC
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