Sethi model - Revision history

en>Rjwilmsi: /* Extensions of the Sethi model */Added 1 dois to journal cites using AWB (10090)

2014-05-04T09:04:38Z

Extensions of the Sethi model: Added 1 dois to journal cites using AWB (10090)

← Older revision		Revision as of 11:04, 4 May 2014
Line 1:		Line 1:
	~~'''Silhouette''' refers to a method of interpretation and validation of [[cluster analysis\|clusters of data]]~~. ~~The technique provides~~ a ~~succinct graphical representation of how well each object lies within its cluster~~. ~~It was first described by [[Peter J. Rousseeuw]] in 1986~~.<~~ref~~>~~{{Cite journal~~		Aunque se dice que se omiti el uso excesivo de efectos especiales aun se nota bastante la influencia que hace en la pelcula. Se dice que la concept era seguir el formato de las pelculas anteriores pero igual se nota mucho los efectos usados.<br><br>La trama de esta pelcula muestra como Indiana Jones sale a buscar un crneo de cristal el cual tambin esta siendo buscado por La Unin Sovitica quienes tienen otros propsitos cuando encuentren el crneo. En esta experiencia algunos de los personajes de pelculas anteriores.<br><br>Algunos de los personajes que aparecen en es esta pelcula son Indiana Jones por (Harrison Ford), Marion Ravenwood (Karen Allen), motociclista Mutt (Shia LaBeouf) y Mac (Ray Winstone).<br><br>La pelcula fue dirigida por el gran director Spielberg. Learn more on our favorite related use with - Browse this website: [http://www.prweb.com/releases/2012/12/prweb10187467.htm mh pomander"s indianapolis]. En esta pelcula se incluyeron diferentes escenas y personajes de las pelculas anteriores de Indiana Jones.<br><br>Es una gran sorpresa ver la ltima pelcula de indiana Jones ya que han pasado muchos aos y pues se supone que la pelcula va a ser mejor. La pelcula no resulto ser muy buena. A pesar de la nueva tecnologa, efectos especiales, maquillaje y todas las cosas que se han mejorado desde la ltima pelcula, esto no resulto ser suficiente como para que la audiencia le agradara la pelcula.<br><br>Algunas veces cuando las pelculas se hacen con menos efectos, las escenas se ven mas reales y ms interesantes. Adems las pelculas anteriores a esta fueron mas completas, con esto me refiero a que el libreto de las anteriores pelculas estaba mas elaborado, el cuento era diferente, tambin todo era mas interesante.<br><br>Lo que describe la pelcula es acerca de una expedicin en donde a indiana Jones lo obligan a participar en la bsqueda de un objeto que resulta ser el cuerpo de un extraterrestre. En esa bsqueda Jones y su viajo amigo Mac empiezan a realizar la tarea juntos pero resulta que Mac lo traiciona y se pasa al lado de los de la Unin Sovitica.<br><br>Para poder buscar el crneo y tambin buscar a una mujer que estaba desaparecida, Jones decide viajar a Per en donde se encuentra la mujer y adems se encuentra el objeto (crneo) que estan buscando. Jones continua en su viaje pero en seguido por Los de la Unin sovitica ya que ellos tambin estaban interesados en encontrar el crneo que posee poderes inimaginables ya que ellos piensan que son los crneos de un extraterrestre que tiene poderes psquicos.<br><br>En el transcurso de la pelcula nos damos cune5ta que la mujer que fue secuestrada era la antigua novia de indiana Jones y que en realidades verdadero padre del hijo de esta mujer era Indiana Jones.<br><br>Cuando el crneo es encintrado, todos quieren devolverlo al lugar en donde podrn recibir el regalo que los extraterrestres tienen para quien devuelva el crneo. Al llegas a este lugar, la mujer, coronel choose que ella es la que quiere recibir el regalo pero al final resulta convertida en polvo y la unin de los crneos les vuelve a dar vida a los extraterrestres y ellos salen en la nave espacial del lugar de donde estaban desde hace muchos aos. El resto de la pelcula lo tienen que ver por Uds. mismos para que puedan dar fe por ustedes mismos de que tan buena es la pelcula.<br><br>Algunos la llaman Indiana Jones 4 y otros la llaman por su nombre, Indiana Jones y el Reino de la Calavera de Cristal (Indiana Jones and the Kingdom of the Crystal Skull) en la cual se muestran aventuras de viajes e investigaciones.<br><br>Aunque se dice que se omiti el uso excesivo de efectos especiales aun se nota bastante la influencia que hace en la pelcula. Se dice que la notion era seguir el formato de las pelculas anteriores pero igual se nota mucho los efectos usados.<br><br>La trama de esta pelcula muestra como Indiana Jones sale a buscar un crneo de cristal el cual tambin esta siendo buscado por La Unin Sovitica quienes tienen otros propsitos cuando encuentren el crneo. En esta experiencia algunos de los personajes de pelculas anteriores.<br><br>Algunos de los personajes que aparecen en es esta pelcula son Indiana Jones por (Harrison Ford), Marion Ravenwood (Karen Allen), motociclista Mutt (Shia LaBeouf) y Mac (Ray Winstone).<br><br>La pelcula fue dirigida por el gran director Spielberg. En esta pelcula se incluyeron diferentes escenas y personajes de las pelculas anteriores de Indiana Jones.<br><br>Es una gran sorpresa ver la ltima pelcula de indiana Jones ya que han pasado muchos aos y pues se supone que la pelcula va a ser mejor. La pelcula no resulto ser muy buena. Identify further about [http://www.theknot.com/Vendors/MH-Pomanders-Bridal/Profile/BWP/198/517596/profile mh pomanders] by visiting our disturbing article. A pesar de la nueva tecnologa, efectos especiales, maquillaje y todas las cosas que se han mejorado desde la ltima pelcula, esto no resulto ser suficiente como para que la audiencia le agradara la pelcula.<br><br>Algunas veces cuando las pelculas se hacen con menos efectos, las escenas se ven mas reales y ms interesantes. Adems las pelculas anteriores a esta fueron mas completas, con esto me refiero a que el libreto de las anteriores pelculas estaba mas elaborado, el cuento era diferente, tambin todo era mas interesante.<br><br>Lo que describe la pelcula es acerca de una expedicin en donde a indiana Jones lo obligan a participar en la bsqueda de un objeto que resulta ser el cuerpo de un extraterrestre. En esa bsqueda Jones y su viajo amigo Mac empiezan a realizar la tarea juntos pero resulta que Mac lo traiciona y se pasa al lado de los de la Unin Sovitica.<br><br>Para poder buscar el crneo y tambin buscar a una mujer que estaba desaparecida, Jones make a decision viajar a Per en donde se encuentra la mujer y adems se encuentra el objeto (crneo) que estan buscando. Jones continua en su viaje pero en seguido por Los de la Unin sovitica ya que ellos tambin estaban interesados en encontrar el crneo que posee poderes inimaginables ya que ellos piensan que son los crneos de un extraterrestre que tiene poderes psquicos.<br><br>En el transcurso de la pelcula nos damos cune5ta que la mujer que fue secuestrada era la antigua novia de indiana Jones y que en realidades verdadero padre del hijo de esta mujer era Indiana Jones.<br><br>Cuando el crneo es encintrado, todos quieren devolverlo al lugar en donde podrn recibir el regalo que los extraterrestres tienen para quien devuelva el crneo. Al llegas a este lugar, la mujer, coronel choose que ella es la que quiere recibir el regalo pero al final resulta convertida en polvo y la unin de los crneos les vuelve a dar vida a los extraterrestres y ellos salen en la nave espacial del lugar de donde estaban desde hace muchos aos. El resto de la pelcula lo tienen que ver por Uds. mismos para que puedan dar fe por ustedes mismos de que tan buena es la pelcula..<br><br>If you are you looking for more info regarding health problems - [https://FultonkjYezkb.jux.com read page] - check out the web site.
	~~\| doi = 10.1016/0377-0427~~(87)~~90125-7~~
	~~\| author = [[Peter J. Rousseeuw]]~~
	~~\| title = Silhouettes: a Graphical Aid to the Interpretation and Validation of Cluster Analysis~~
	~~\| journal = Computational and Applied Mathematics~~
	~~\| volume = 20~~
	~~\| pages = 53–65~~
	~~\| year = 1987}}</ref>~~

	~~== Method ==~~

	~~Assume the data have been clustered via any technique~~, ~~such as [[k-means]]~~, ~~into~~ <~~math~~>k<~~/math~~> ~~clusters~~. ~~For each~~ [~~[Data\|datum]] <math>i<~~/~~math>, let~~

	~~<math>a(i)<~~/~~math> be the average dissimilarity of <math>i<~~/~~math> with all other data within the same cluster~~. ~~Any measure of dissimilarity can be used but [[Distance\| distance measures~~]~~] are the most common~~. ~~We can interpret~~ <~~math~~>~~a(i)~~<~~/math~~> ~~as how well~~ <~~math~~>i<~~/math~~> ~~is assigned to its cluster (the smaller the value~~, ~~the better the assignment)~~. ~~We then define the average dissimilarity of point~~ <~~math~~>i<~~/math~~> to a ~~cluster~~ <~~math~~>c<~~/math~~> ~~as the the average of the distance from~~ <~~math~~>i<~~/math~~> ~~to points in~~ <~~math~~>c<~~/math~~>.

	~~Let~~ <~~math~~>~~b(i)~~<~~/math~~> be the ~~lowest average dissimilarity~~ of <~~math~~>i<~~/math~~> ~~to any other cluster which~~ <~~math~~>i<~~/math~~> ~~is not~~ a ~~member~~. ~~The cluster with this lowest average dissimilarity is said to be the "neighbouring cluster" of <math>i</math> because it is the next best fit cluster for point <math>i</math>~~.
	~~We now define:~~

	~~:<math>s(i) = \frac{b(i) - a(i)}{\max\{a(i),b(i)\}}~~
	<~~/math~~>

	~~Which can be written as:~~
	:<~~math~~>~~s(i) = \begin{cases}~~
	~~1-a~~(~~i)/b(i~~), ~~& \mbox{if } a(i) < b~~(i) \\
	0, ~~& \mbox{if } a~~(i) ~~= b~~(i) \\
	~~b(i)/a(i)-1, & \mbox{if } a(i) > b(i) \\~~
	~~\end{cases}~~
	<~~/math~~>

	~~From the above definition it is clear that~~
	:<~~math~~> ~~-1 \le s(i) \le 1~~
	<~~/math~~>

	~~For~~ <~~math~~>~~s(i)<~~/~~math> to be close to 1 we require <math>a(i) \ll b(i)<~~/~~math>~~. ~~As <math>a(i)<~~/~~math> is a measure of how dissimilar~~ <~~math~~>i<~~/math~~> ~~is to its own cluster~~, a ~~small value means it is well matched. Furthermore~~, a ~~large~~ <~~math~~>~~b(i)~~<~~/math~~> ~~implies that~~ <~~math~~>i<~~/math~~> ~~is badly matched to its neighbouring cluster. Thus an <math>s~~(i)~~</math> close to one means that the datum is appropriately clustered~~.
	If <~~math~~>~~s(i)~~<~~/math~~> ~~is close to negative one, then by the same logic we see that <math>i</math> would be more appropriate if it was clustered in its neighbouring cluster~~. An <~~math~~>~~s(i)~~<~~/math~~> ~~near zero means that the datum is on the border of two natural clusters~~.

	~~The average <math>s(i)</math> over all data of~~ a ~~cluster is~~ a ~~measure of how tightly grouped all the data in the cluster are~~. ~~Thus the average~~ <~~math~~>~~s(i)~~<~~/math~~> ~~over all data of the entire dataset is a measure of how appropriately the data has been clustered.~~ If ~~there~~ are ~~too many or too few clusters, as may occur when a poor choice of <math>k<~~/~~math> is used in the [[k~~-~~means]] algorithm, some of the clusters will typically display much narrower silhouettes than~~ the ~~rest~~. ~~Thus silhouette plots and averages may be used to determine the natural number of clusters within a dataset.~~

	~~== References ==~~
	~~<references/>~~

	~~[[Category:Cluster analysis]]~~

en>NickGarvey: /* Example of an optimal advertising problem */ typo fix

2012-09-27T02:53:25Z

Example of an optimal advertising problem: typo fix

← Older revision		Revision as of 04:53, 27 September 2012
Line 1:		Line 1:
			'''Silhouette''' refers to a method of interpretation and validation of [[cluster analysis\|clusters of data]]. The technique provides a succinct graphical representation of how well each object lies within its cluster. It was first described by [[Peter J. Rousseeuw]] in 1986.<ref>{{Cite journal
			\| doi = 10.1016/0377-0427(87)90125-7
			\| author = [[Peter J. Rousseeuw]]
			\| title = Silhouettes: a Graphical Aid to the Interpretation and Validation of Cluster Analysis
			\| journal = Computational and Applied Mathematics
			\| volume = 20
			\| pages = 53–65
			\| year = 1987}}</ref>

			== Method ==

	~~If you"re struggling with finances and are considering debt consolidation or bankruptcy~~, ~~you may also be considering hiring a bankruptcy attorney~~. ~~Needless to say for individuals who come in a financial trench or on the brink of financial ruin~~, ~~discovering additional resources to pay~~ a ~~bankruptcy attorney may~~ be ~~absolutely impossible. Despite~~ the ~~lack~~ of ~~money, it"s usually best to still consider a minimum~~ of ~~consulting with a bankruptcy attorney before you begin~~ the ~~process~~. <br><br>~~The primary function of a bankruptcy attorney~~ is to ~~help an individual or business feel~~ the ~~legal procedures for filing bankruptcy. Lawyers are meant to gather together, meet with~~ the court systems to setup payment plans or repayment programs, help deal with creditors and liquidate assets, and fill out and file necessary paperwork. A bankruptcy lawyer will soon be that knowledgeable supply throughout a bankruptcy proceeding, In the ~~same way a realtor is~~ the ~~knowledgeable party within~~ the ~~attempting to sell or buying~~ of ~~a home.~~ <br><br>~~Generally in most state and county legal methods, you"re not necessary~~ to ~~possess~~ a ~~bankruptcy attorney for the legal procedures. This doesn"t always mean it is a good idea to do with no bankruptcy attorney, although,~~ as ~~most focus on only economic law. Unless~~ the ~~court case could be quickly cut and dry or you know a whole lot about the legal system in this case, a bankruptcy attorney can help from becoming overwhelmed with~~ the ~~laws~~ of the ~~system~~. <br><br>~~From~~ the ~~beginning, a superb bankruptcy attorney should allow you~~ to ~~decide~~ which ~~section of bankruptcy to record and offer sound reasons why~~. ~~In the event that you dont know anything in regards to the different sections, that~~ is ~~an excellent reason~~ to ~~start consulting an attorney. Many lawyers will even offer a free discussion where you are able to simply state~~ the ~~advice and move on to take care~~ of the ~~remainder of the case yourself~~. ~~If people hate to get additional information about [http~~:/~~/cash~~-~~payday-loan-usa1.com~~/~~?p=11717 Cash Payday Loan USA1 � Property legislation]~~, ~~we know about millions of resources you might think about pursuing. Frequently~~, ~~nevertheless~~, ~~lawyers will charge by visit or by activity, including appearing at~~ the ~~court or filing paperwork~~. <br><br>~~Take into account that not all bankruptcy lawyers specialize in exactly the same type~~ of ~~cases~~, so it is ~~very important to find a attorney who will help you with the type of financial difficulties you"re having~~. ~~While the others work only with people~~, ~~some bankruptcy attorneys work specifically with organizations. Having~~ a ~~great experience together with your lawyer will definitely include finding someone experienced in the areas you"ll need experience. Browse here at the link [http:~~//~~www~~.~~gm-spareparts.com~~/~~real-estate-investing-2/ Real estate investing \| GM Spareparts]~~ to ~~explore~~ the ~~purpose of it~~. <br><br>~~Yet another exemplary reason to take into account hiring a bankruptcy lawyer~~ is ~~simply~~ to ~~possess someone knowledgeable who are able to help guide you through~~ the ~~paperwork process~~. ~~In bankruptcy cases~~ the ~~paperwork could be~~ the ~~most overwhelming aspect and more frequently than not, bankruptcy attorneys will actually complete and report~~ all the ~~paperwork for you~~. ~~This eliminates~~ the ~~responsibility~~ of ~~coping with paperwork at~~ the ~~center~~ of the ~~financially and emotionally straining time~~. <br><br>~~If you choose that choosing a lawyer~~ is ~~right for you, ask~~ the ~~local court house for names of attorneys in your community. You may even wish to consider asking trusted friends or family advice for finding bankruptcy attorneys. My girlfriend discovered~~ [~~http://www.shcxgy.com/real~~-~~estate-appraisal-4/ morgan hill family law lawyer~~] ~~by searching~~ the ~~Internet~~. ~~If everything else fails, reap the benefits of research~~ and ~~technology cases in your area~~ to determine ~~which bankruptcy lawyers most often represent people or companies. This is~~ a ~~smart way to determine who the best lawyers are on your financial needs~~.~~.Arthur A. Ferraro Attorney at Law~~<br>~~31 E. Julian St.<br>San Jose CA 95112<br>(408) 985-1060<br><br>For those who have any questions relating to in which along with how you can use~~ [~~http~~:~~//secretiveflaw2645.blogs.experienceproject.com international health insurance~~]~~, you are able to email us with our web site.~~		Assume the data have been clustered via any technique, such as [[k-means]], into <math>k</math> clusters. For each [[Data\|datum]] <math>i</math>, let

			<math>a(i)</math> be the average dissimilarity of <math>i</math> with all other data within the same cluster. Any measure of dissimilarity can be used but [[Distance\| distance measures]] are the most common. We can interpret <math>a(i)</math> as how well <math>i</math> is assigned to its cluster (the smaller the value, the better the assignment). We then define the average dissimilarity of point <math>i</math> to a cluster <math>c</math> as the the average of the distance from <math>i</math> to points in <math>c</math>.

			Let <math>b(i)</math> be the lowest average dissimilarity of <math>i</math> to any other cluster which <math>i</math> is not a member. The cluster with this lowest average dissimilarity is said to be the "neighbouring cluster" of <math>i</math> because it is the next best fit cluster for point <math>i</math>.
			We now define:

			:<math>s(i) = \frac{b(i) - a(i)}{\max\{a(i),b(i)\}}
			</math>

			Which can be written as:
			:<math>s(i) = \begin{cases}
			1-a(i)/b(i), & \mbox{if } a(i) < b(i) \\
			0, & \mbox{if } a(i) = b(i) \\
			b(i)/a(i)-1, & \mbox{if } a(i) > b(i) \\
			\end{cases}
			</math>

			From the above definition it is clear that
			:<math> -1 \le s(i) \le 1
			</math>

			For <math>s(i)</math> to be close to 1 we require <math>a(i) \ll b(i)</math>. As <math>a(i)</math> is a measure of how dissimilar <math>i</math> is to its own cluster, a small value means it is well matched. Furthermore, a large <math>b(i)</math> implies that <math>i</math> is badly matched to its neighbouring cluster. Thus an <math>s(i)</math> close to one means that the datum is appropriately clustered.
			If <math>s(i)</math> is close to negative one, then by the same logic we see that <math>i</math> would be more appropriate if it was clustered in its neighbouring cluster. An <math>s(i)</math> near zero means that the datum is on the border of two natural clusters.

			The average <math>s(i)</math> over all data of a cluster is a measure of how tightly grouped all the data in the cluster are. Thus the average <math>s(i)</math> over all data of the entire dataset is a measure of how appropriately the data has been clustered. If there are too many or too few clusters, as may occur when a poor choice of <math>k</math> is used in the [[k-means]] algorithm, some of the clusters will typically display much narrower silhouettes than the rest. Thus silhouette plots and averages may be used to determine the natural number of clusters within a dataset.

			== References ==
			<references/>

			[[Category:Cluster analysis]]

en>Helpful Pixie Bot: ISBNs (Build KE)

2012-05-11T06:23:06Z

ISBNs (Build KE)

New page

If you"re struggling with finances and are considering debt consolidation or bankruptcy, you may also be considering hiring a bankruptcy attorney. Needless to say for individuals who come in a financial trench or on the brink of financial ruin, discovering additional resources to pay a bankruptcy attorney may be absolutely impossible. Despite the lack of money, it"s usually best to still consider a minimum of consulting with a bankruptcy attorney before you begin the process. The primary function of a bankruptcy attorney is to help an individual or business feel the legal procedures for filing bankruptcy. Lawyers are meant to gather together, meet with the court systems to setup payment plans or repayment programs, help deal with creditors and liquidate assets, and fill out and file necessary paperwork. A bankruptcy lawyer will soon be that knowledgeable supply throughout a bankruptcy proceeding, In the same way a realtor is the knowledgeable party within the attempting to sell or buying of a home. Generally in most state and county legal methods, you"re not necessary to possess a bankruptcy attorney for the legal procedures. This doesn"t always mean it is a good idea to do with no bankruptcy attorney, although, as most focus on only economic law. Unless the court case could be quickly cut and dry or you know a whole lot about the legal system in this case, a bankruptcy attorney can help from becoming overwhelmed with the laws of the system. From the beginning, a superb bankruptcy attorney should allow you to decide which section of bankruptcy to record and offer sound reasons why. In the event that you dont know anything in regards to the different sections, that is an excellent reason to start consulting an attorney. Many lawyers will even offer a free discussion where you are able to simply state the advice and move on to take care of the remainder of the case yourself. If people hate to get additional information about [http://cash-payday-loan-usa1.com/?p=11717 Cash Payday Loan USA1 � Property legislation], we know about millions of resources you might think about pursuing. Frequently, nevertheless, lawyers will charge by visit or by activity, including appearing at the court or filing paperwork. Take into account that not all bankruptcy lawyers specialize in exactly the same type of cases, so it is very important to find a attorney who will help you with the type of financial difficulties you"re having. While the others work only with people, some bankruptcy attorneys work specifically with organizations. Having a great experience together with your lawyer will definitely include finding someone experienced in the areas you"ll need experience. Browse here at the link [http://www.gm-spareparts.com/real-estate-investing-2/ Real estate investing | GM Spareparts] to explore the purpose of it. Yet another exemplary reason to take into account hiring a bankruptcy lawyer is simply to possess someone knowledgeable who are able to help guide you through the paperwork process. In bankruptcy cases the paperwork could be the most overwhelming aspect and more frequently than not, bankruptcy attorneys will actually complete and report all the paperwork for you. This eliminates the responsibility of coping with paperwork at the center of the financially and emotionally straining time. If you choose that choosing a lawyer is right for you, ask the local court house for names of attorneys in your community. You may even wish to consider asking trusted friends or family advice for finding bankruptcy attorneys. My girlfriend discovered [http://www.shcxgy.com/real-estate-appraisal-4/ morgan hill family law lawyer] by searching the Internet. If everything else fails, reap the benefits of research and technology cases in your area to determine which bankruptcy lawyers most often represent people or companies. This is a smart way to determine who the best lawyers are on your financial needs..Arthur A. Ferraro Attorney at Law 31 E. Julian St. San Jose CA 95112 (408) 985-1060 For those who have any questions relating to in which along with how you can use [http://secretiveflaw2645.blogs.experienceproject.com international health insurance], you are able to email us with our web site.