Plasma parameter - Revision history

en>Frietjes: cleanup (wikitables, html markup, layout, etc.)

2014-07-03T15:30:35Z

cleanup (wikitables, html markup, layout, etc.)

← Older revision		Revision as of 17:30, 3 July 2014
Line 1:		Line 1:
	~~{{lowercase\|title=d~~'}}		Irwin Butts is what my spouse loves to call me though I don't truly like becoming known as like that. For many years I've been operating as a payroll clerk. South Dakota is her birth place but she requirements to transfer simply because of her family members. To gather cash is what her family and her enjoy.<br><br>my website ... std home test - [http://www.1a-pornotube.com/user/WCrompton similar site],
	The '''sensitivity index''' or '''''d'''''' (pronounced 'dee-prime') is a [[statistic]] used in [[signal detection theory]]. It provides the separation between the means of the signal and the noise distributions, compared against the standard deviation of the noise distribution. For [[Normal distribution\|normally distributed]] signal and noise with mean and standard deviations <math>\mu_S</math> and <math>\sigma_S</math>, and <math>\mu_N</math> and <math>\sigma_N</math>, respectively, d' ~~is defined~~ as:

	~~: <math>d' = \frac{\mu_S - \mu_N}{\sqrt{\frac{1}{2}(\sigma_S^2 + \sigma_N^2)}}</math><ref>Samuel Gale and David Perkel~~. ~~A Basal Ganglia Pathway Drives Selective Auditory Responses in Songbird Dopaminergic Neurons via Disinhibition. The Journal~~ of ~~Neuroscience (2010)~~. ~~30(3):1027–1037</ref>~~

	~~An estimate of d' can be also found from measurements of the hit rate~~ and ~~[[False alarm\|false-alarm]] rate~~. ~~It is calculated as:~~

	~~::''d''' = ''Z''(hit rate) - ''Z''(false alarm rate),~~<~~ref~~>~~MacMillan N, Creelman C (2005) Detection Theory: A User’s Guide. Lawrence Erlbaum Associates. (p.7) Retrieved from: http://books.google.co.uk/books/about/Detection_Theory.html?id=hDX65v9bReYC~~<~~/ref~~>

	~~where function ''Z''(''p''), ''p'' ∈ [0,1], is the inverse of the [[Normal distribution#Cumulative distribution function\|cumulative Gaussian distribution]].~~

	~~''d' '' is a [[dimensionless]] statistic. A higher ''d''' indicates that the signal can be more readily detected.~~

	~~==See also==~~
	* [[Receiver Operating Characteristic]] (R.O.C.)
	* [[Summary Statistics]]

	~~==References==~~
	~~{{reflist}}~~
	* Wickens, Thomas D. ~~(2001) ''Elementary Signal Detection Theory'', OUP USA~~. ~~ISBN 0-19-509250~~-~~3 (Ch.2, p.20).~~ [http://~~books~~.~~google~~.com/~~books?vid=ISBN0195092503&id=s3pGN_se4v0C&pg=PA22&lpg=PA22&dq=Thomas+D.+Wickens Excerpts]~~

	~~==External links==~~
	~~<!-- Please see [[Wikipedia:External links]] for guidelines on appropriate external links. -->~~
	*[http://wise.cgu.edu/sdtmod/~~index.asp Interactive signal detection theory tutorial~~] ~~including calculation of d'.~~

	~~[[Category:Detection theory]]~~
	~~[[Category:Signal processing]]~~
	~~[[Category:Summary statistics]]~~


	~~{{Signal-processing-stub}}~~
	~~{{stat-stub}}~~

en>Edward: link dimensionless number using Find link

2014-01-07T16:23:58Z

link dimensionless number using Find link

← Older revision		Revision as of 18:23, 7 January 2014
Line 1:		Line 1:
	~~Nice to meet you, my name~~ is ~~Refugia~~. ~~Bookkeeping is my profession. One~~ of the ~~very best things in~~ the ~~world for him~~ is ~~to collect badges but he is struggling to discover time for it~~. ~~North Dakota is our beginning place~~.<br><br>~~My homepage~~ :: [http://~~www~~.~~hamcass~~.~~org~~/~~index.php~~?~~document_srl~~=~~268708~~&~~mid~~=~~gido at home std test~~]		{{lowercase\|title=d'}}
			The '''sensitivity index''' or '''''d'''''' (pronounced 'dee-prime') is a [[statistic]] used in [[signal detection theory]]. It provides the separation between the means of the signal and the noise distributions, compared against the standard deviation of the noise distribution. For [[Normal distribution\|normally distributed]] signal and noise with mean and standard deviations <math>\mu_S</math> and <math>\sigma_S</math>, and <math>\mu_N</math> and <math>\sigma_N</math>, respectively, d' is defined as:

			: <math>d' = \frac{\mu_S - \mu_N}{\sqrt{\frac{1}{2}(\sigma_S^2 + \sigma_N^2)}}</math><ref>Samuel Gale and David Perkel. A Basal Ganglia Pathway Drives Selective Auditory Responses in Songbird Dopaminergic Neurons via Disinhibition. The Journal of Neuroscience (2010). 30(3):1027–1037</ref>

			An estimate of d' can be also found from measurements of the hit rate and [[False alarm\|false-alarm]] rate. It is calculated as:

			::''d''' = ''Z''(hit rate) - ''Z''(false alarm rate),<ref>MacMillan N, Creelman C (2005) Detection Theory: A User’s Guide. Lawrence Erlbaum Associates. (p.7) Retrieved from: http://books.google.co.uk/books/about/Detection_Theory.html?id=hDX65v9bReYC</ref>

			where function ''Z''(''p''), ''p'' ∈ [0,1], is the inverse of the [[Normal distribution#Cumulative distribution function\|cumulative Gaussian distribution]].

			''d' '' is a [[dimensionless]] statistic. A higher ''d''' indicates that the signal can be more readily detected.

			==See also==
			* [[Receiver Operating Characteristic]] (R.O.C.)
			* [[Summary Statistics]]

			==References==
			{{reflist}}
			* Wickens, Thomas D. (2001) ''Elementary Signal Detection Theory'', OUP USA. ISBN 0-19-509250-3 (Ch.2, p.20). [http://books.google.com/books?vid=ISBN0195092503&id=s3pGN_se4v0C&pg=PA22&lpg=PA22&dq=Thomas+D.+Wickens Excerpts]

			==External links==
			<!-- Please see [[Wikipedia:External links]] for guidelines on appropriate external links. -->
			*[http://wise.cgu.edu/sdtmod/index.asp Interactive signal detection theory tutorial] including calculation of d'.

			[[Category:Detection theory]]
			[[Category:Signal processing]]
			[[Category:Summary statistics]]


			{{Signal-processing-stub}}
			{{stat-stub}}

en>ZéroBot: r2.7.1) (Robot: Adding de:Plasmaparameter

2012-01-25T15:43:02Z

r2.7.1) (Robot: Adding de:Plasmaparameter

New page

Nice to meet you, my name is Refugia. Bookkeeping is my profession. One of the very best things in the world for him is to collect badges but he is struggling to discover time for it. North Dakota is our beginning place.<br><br>My homepage :: [http://www.hamcass.org/index.php?document_srl=268708&mid=gido at home std test]