search for: underreporting

...o come off so harsh, I don't have a cat but if any of my USPes fell on one it would be a flat cat. :-) I misinterpreted your post, The upscode2 driver has been a PIA for me for years, or maybe it isn't the driver but the UPS. Yeah, probably it's the UPS. Besides the issues with underreporting the battery state of charge, the upscode2 driver periodically gets a no data response from the UPS. Beats me why that is. Ted

hi. i've looked for (and not found) an assert() function. needing one, i created the following (from stop()). i'm posting it in case 1) someone sees a problem with this; and 2) someone else has a need. cheers, Greg ---- ## an assert mechanism... assert <- function (shouldbe, ...) { if (!shouldbe) { .Internal(stop(as.logical(TRUE),

I came across this one: http://www.nysun.com/article/32787 which says that the violent death rate in Iraq (which presumably includes violent deaths from the war) is lower than the violent death rate in major American cities. Does anyone have any insights from statistics on how to interpret this?

Dear Ted, Am 07.11.2014 um 17:47 schrieb Ted Mittelstaedt: > On 11/3/2014 9:25 PM, thomas schorpp wrote: >> Hi Ted, >> >> Am 04.11.2014 um 04:12 schrieb Ted Mittelstaedt: >>> >> >>> Note that since the UPS relies on the voltage from the battery pack to >>> determine state of charge, it is quite useful to add in the battery pack >>>

...relation like -0.6. Even +0.2 can turn into -0.4. (These figures are from a particular simulation run and may not apply in your case.) Now one of the reasons why Yun-Sing Koh, Nathan Rountree, and I were interested in interestingness measures is perhaps coincidentally related to the file drawer/underreporting problem: it's quite common for rows where x = 0 and y = 0 never to have been reported to you, so we were hoping there were measures immune to that. I have argued for years that "till record analysis" for supermarkets &c is badly flawed by two facts: (a) it is hard to measure how...

...on like -0.6. Even +0.2 can turn into -0.4. (These figures are from a particular simulation run and may not apply in your case.) Now one of the reasons why Yun-Sing Koh, Nathan Rountree, and I were interested in interestingness measures is perhaps coincidentally related to the file drawer/underreporting problem: it's quite common for rows where x = 0 and y = 0 never to have been reported to you, so we were hoping there were measures immune to that. I have argued for years that "till record analysis" for supermarkets &c is badly flawed by two facts: (a) it is hard to measure...

On 11/3/2014 9:25 PM, thomas schorpp wrote: > Hi Ted, > > Am 04.11.2014 um 04:12 schrieb Ted Mittelstaedt: >> > >> Note that since the UPS relies on the voltage from the battery pack to >> determine state of charge, it is quite useful to add in the battery pack >> voltage to the logs as such: >> >> --- upslog.c.orig 2012-07-31 10:38:58.000000000

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.... (These figures are from a > > particular simulation run and may not apply in your case.) > > > > Now one of the reasons why Yun-Sing Koh, Nathan Rountree, and I were > > interested in interestingness measures is perhaps coincidentally > > related to the file drawer/underreporting problem: it's quite common > > for rows where x = 0 and y = 0 never to have been reported to you, so > > we were hoping there were measures immune to that. I have argued for > > years that "till record analysis" for supermarkets &c is badly flawed > > by t...

...figures are from a > > particular simulation run and may not apply in your case.) > > > > Now one of the reasons why Yun-Sing Koh, Nathan Rountree, and I were > > interested in interestingness measures is perhaps coincidentally > > related to the file drawer/underreporting problem: it's quite common > > for rows where x = 0 and y = 0 never to have been reported to you, so > > we were hoping there were measures immune to that. I have argued for > > years that "till record analysis" for supermarkets &c is badly flawed > &...

Let's go back to the original posting. > > > >> in each column, less than 10% values are 1, most of them are 0; > > > > > > > >> so I want to remove a row with value of zero in both columns when calculate correlation between two columns. > > So we're talking about correlations between binary variables. Suppose we have two 0-1-valued