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jmanatVT

Joined: 01/17/2008 Posts: 6583
Likes: 1850

What's this?

You have to be a little careful with celebrating the % positive numbers


when you've switched from testing just people who are very obviously sick to testing people who might be sick. If you did two samples on the same day but with those two completely different samples, they'd have wildly different % positive results, yet be describing the same population.

My point being, you can't meaningfully compare two data points based on very different samples.

(In response to this post by Gobbler-100)

Posted: 05/29/2020 at 10:01AM


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Current Thread:
 
  Be Safe VA - this shows cases rising in VA -- DaveVT 05/28/2020 9:53PM
  Fake news, what is the percent testing positive -- fordham 05/29/2020 12:21PM
  Reading the entire article and connecting some dots -- Vienna_Hokie 05/29/2020 08:58AM
  More testing? ** -- B777Fr8Dog 05/28/2020 11:52PM
  True but more testing everywhere ** -- DaveVT 05/29/2020 12:27PM
  ...and double counting? ** -- EDGEMAN 05/29/2020 07:27AM
  From the VDH website, 7 day avg of cases is flat -- Rockville Hokie 05/28/2020 11:28PM
  The % positive rate in VA has been on a slow, steady decline for ~5 wks -- Gobbler-100 05/28/2020 10:55PM
  Depends what the definition of south is or what is is ** -- DaveVT 05/28/2020 10:28PM
  ...is Va still in “the south” ? ** -- chumley 05/28/2020 10:24PM
  Not the part that's north of Richmond. ** -- EDGEMAN 05/29/2020 07:28AM
  I blame NoVa being reopened tomorrow. ** -- HokieGator 05/28/2020 10:13PM
  It’s because of more testing. Expected. ** -- HokieHeartNSoul 05/28/2020 10:08PM
  You are a month behind the NE ** -- DaveVT 05/28/2020 10:23PM
  Nope. Just reminding him why the numbers are higher—not -- HokieHeartNSoul 05/29/2020 07:58AM
  Timeline - yes, percentage tested - no. ** -- RTFC 05/29/2020 01:57AM

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