Wikipedia:Version 1.0 Editorial Team/Portugal-related articles by quality/11 and Talk:Efficient estimator: Difference between pages

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In the first line of the Relative Efficiency section, the "prime" of T' isn't clear in 2 browsers - IE and Opera. I can only tell that it's there by looking for it. I wonder if a better variable can be used, such as R.

It was showing up fine for me in Mozilla, but T1 and T2 are much clearer. Cburnett 19:01, Apr 5, 2005 (UTC)

Umm... I'm not much of a statistician, but what's an 'unbiased statistic' as mentioned in the first line of the intro? Shouldn't it say 'an unbiased estimator T of a statistic theta?

152.16.230.146 (talk) 17:41, 19 November 2007 (UTC)[reply]

A statistic is a function of the data, so in this context it means more or less the same as estimator. --Zvika (talk) 17:51, 19 November 2007 (UTC)[reply]

This is all very interesting, but can someone add a layperson's explanation of "efficiency" to the article? When an estimator of a statistic is "efficient," does it mean that it is very accurate at estimating the various values in the sample? As opposed to an estimator that is "inefficient," which would seem to guess wrong a whole lot. Can someone confirm this and add that to the head of the article? Thanks -R —Preceding unsigned comment added by Docfink (talk • contribs) 16:51, 26 September 2008 (UTC)[reply]

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-{{assessment | page=[[Vouga]] [http://en.wikipedia.org/w/index.php?title=Vouga&oldid=177343344 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Vouzela]] [http://en.wikipedia.org/w/index.php?title=Vouzela&oldid=163339306 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Várzea (Barcelos)]] [http://en.wikipedia.org/w/index.php?title=V%c3%a1rzea_%28Barcelos%29&oldid=199756053 ] | importance= | date=April 6, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Vítor Baía]] [http://en.wikipedia.org/w/index.php?title=V%c3%adtor_Ba%c3%ada&oldid=181856310 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Vítor Constâncio]] [http://en.wikipedia.org/w/index.php?title=V%c3%adtor_Const%c3%a2ncio&oldid=168840028 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Vítor Hugo de Azevedo Coutinho]] [http://en.wikipedia.org/w/index.php?title=V%c3%adtor_Hugo_de_Azevedo_Coutinho&oldid=181097394 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Vítor Moreno]] [http://en.wikipedia.org/w/index.php?title=V%c3%adtor_Moreno&oldid=133080528 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[WS Energia]] [http://en.wikipedia.org/w/index.php?title=WS_Energia&oldid=238899105 ] | importance= | date=September 17, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Wallada bint al-Mustakfi]] [http://en.wikipedia.org/w/index.php?title=Wallada_bint_al-Mustakfi&oldid=180051565 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Wallia]] [http://en.wikipedia.org/w/index.php?title=Wallia&oldid=183695005 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Wamba]] [http://en.wikipedia.org/w/index.php?title=Wamba&oldid=190213412 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[War of the Portuguese Succession]] [http://en.wikipedia.org/w/index.php?title=War_of_the_Portuguese_Succession&oldid=232153237 ] | importance= | date=September 1, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Water supply and sanitation in Portugal]] [http://en.wikipedia.org/w/index.php?title=Water_supply_and_sanitation_in_Portugal&oldid=222679968 ] | importance= | date=August 7, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[West Iberian languages]] [http://en.wikipedia.org/w/index.php?title=West_Iberian_languages&oldid=186814039 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Witteric]] [http://en.wikipedia.org/w/index.php?title=Witteric&oldid=186574370 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Wittiza]] [http://en.wikipedia.org/w/index.php?title=Wittiza&oldid=176847816 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Workers Party of Socialist Unity]] [http://en.wikipedia.org/w/index.php?title=Workers_Party_of_Socialist_Unity&oldid=129482123 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Workers Politics Communist Organisation]] [http://en.wikipedia.org/w/index.php?title=Workers_Politics_Communist_Organisation&oldid=179567750 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[YDreams]] [http://en.wikipedia.org/w/index.php?title=YDreams&oldid=189752870 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Yahia Ben Bakr]] [http://en.wikipedia.org/w/index.php?title=Yahia_Ben_Bakr&oldid=160736622 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Yahia Ben Rabbi]] [http://en.wikipedia.org/w/index.php?title=Yahia_Ben_Rabbi&oldid=160737539 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Yahia Ben Yahi III]] [http://en.wikipedia.org/w/index.php?title=Yahia_Ben_Yahi_III&oldid=186110944 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Yaqub al-Mansur]] [http://en.wikipedia.org/w/index.php?title=Yaqub_al-Mansur&oldid=189694173 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Yosef Karo]] [http://en.wikipedia.org/w/index.php?title=Yosef_Karo&oldid=189749212 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Young Communist League (Portugal)]] [http://en.wikipedia.org/w/index.php?title=Young_Communist_League_%28Portugal%29&oldid=95324244 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Yusuf I, Almohad Caliph]] [http://en.wikipedia.org/w/index.php?title=Yusuf_I%2c_Almohad_Caliph&oldid=136594202 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
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-{{assessment | page=[[Yusuf ibn Tashfin]] [http://en.wikipedia.org/w/index.php?title=Yusuf_ibn_Tashfin&oldid=189435741 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Zambujeira do Mar]] [http://en.wikipedia.org/w/index.php?title=Zambujeira_do_Mar&oldid=148846323 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Zoelae]] [http://en.wikipedia.org/w/index.php?title=Zoelae&oldid=183663427 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Zoio]] [http://en.wikipedia.org/w/index.php?title=Zoio&oldid=199756010 ] | importance= | date=April 6, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Zé António]] [http://en.wikipedia.org/w/index.php?title=Z%c3%a9_Ant%c3%b3nio&oldid=188936161 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Zé Cabra]] [http://en.wikipedia.org/w/index.php?title=Z%c3%a9_Cabra&oldid=181287547 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Água de Pena]] [http://en.wikipedia.org/w/index.php?title=%c3%81gua_de_Pena&oldid=221502617 ] | importance= | date=July 13, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Águas Livres Aqueduct]] [http://en.wikipedia.org/w/index.php?title=%c3%81guas_Livres_Aqueduct&oldid=184955753 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Águeda]] [http://en.wikipedia.org/w/index.php?title=%c3%81gueda&oldid=189686546 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvares]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvares&oldid=157196507 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro&oldid=192056228 ] | importance= | date=February 24, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro Caminha]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro_Caminha&oldid=134292374 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro Gonçalves Pereira]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro_Gon%c3%a7alves_Pereira&oldid=178710482 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro I of Kongo]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro_I_of_Kongo&oldid=186555469 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro II of Kongo]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro_II_of_Kongo&oldid=173014808 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro Martins]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro_Martins&oldid=160010989 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro de Bazán, 1st Marquis of Santa Cruz]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro_de_Baz%c3%a1n%2c_1st_Marquis_of_Santa_Cruz&oldid=186318391 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro de Campos]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro_de_Campos&oldid=181288851 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Álvaro de Castro]] [http://en.wikipedia.org/w/index.php?title=%c3%81lvaro_de_Castro&oldid=181098130 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Ângelo Veloso]] [http://en.wikipedia.org/w/index.php?title=%c3%82ngelo_Veloso&oldid=154978773 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Évora]] [http://en.wikipedia.org/w/index.php?title=%c3%89vora&oldid=185348744 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Évora (district)]] [http://en.wikipedia.org/w/index.php?title=%c3%89vora_%28district%29&oldid=187013435 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Évora Football Association]] [http://en.wikipedia.org/w/index.php?title=%c3%89vora_Football_Association&oldid=138786578 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Évoramonte Castle]] [http://en.wikipedia.org/w/index.php?title=%c3%89voramonte_Castle&oldid=244019264 ] | importance= | date=October 9, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Ídolos Portugal]] [http://en.wikipedia.org/w/index.php?title=%c3%8ddolos_Portugal&oldid=191231194 ] | importance= | date=February 14, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment | page=[[Óbidos, Portugal]] [http://en.wikipedia.org/w/index.php?title=%c3%93bidos%2c_Portugal&oldid=187354278 ] | importance= | date=February 10, 2008 | class={{Unassessed-Class}} | version= | comments= }}
-{{assessment footer|seealso=See also: [[:Category:Portugal-related articles by quality|assessed article categories]]. |lastdate=}}
+In the first line of the Relative Efficiency section, the "prime" of T' isn't clear in 2 browsers - IE and Opera.  I can only tell that it's there by looking for it.  I wonder if a better variable can be used, such as R.
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+:It was showing up fine for me in Mozilla, but T1 and T2 are much clearer. [[User:Cburnett|Cburnett]] 19:01, Apr 5, 2005 (UTC)
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+Umm... I'm not much of a statistician, but what's an 'unbiased statistic' as mentioned in the first line of the intro?  Shouldn't it say 'an unbiased estimator T of a statistic theta?
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+[[Special:Contributions/152.16.230.146|152.16.230.146]] ([[User talk:152.16.230.146|talk]]) 17:41, 19 November 2007 (UTC)
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+:A [[statistic]] is a function of the data, so in this context it means more or less the same as [[estimator]]. --[[User:Zvika|Zvika]] ([[User talk:Zvika|talk]]) 17:51, 19 November 2007 (UTC)
+This is all very interesting, but can someone add a layperson's explanation of "efficiency" to the article?  When an estimator of a statistic is "efficient," does it mean that it is very accurate at estimating the various values in the sample?  As opposed to an estimator that is "inefficient," which would seem to guess wrong a whole lot.  Can someone confirm this and add that to the head of the article?  Thanks -R  <small><span class="autosigned">—Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:Docfink|Docfink]] ([[User talk:Docfink|talk]] • [[Special:Contributions/Docfink|contribs]]) 16:51, 26 September 2008 (UTC)</span></small><!-- Template:Unsigned --> <!--Autosigned by SineBot-->