Sets and Functions Worksheet Sets and Functions Worksheet Worksheet Functions EasyFitXL makes a number of new high-performance worksheet functions available to Excel users. These functions can be applied in any worksheet on a computer with a licensed copy of EasyFit installed. Note for Excel 2010 and 2007 users: EasyFitXL supports the multi-threaded calculation feature of the latest Excel versions, enabling you to decrease the calculation times on multicore computers. Distribution Fitting The DistFit(Distribution;Data;[Options]) function lets you estimate the parameters of a specified distribution. This function accepts three arguments: 1. Distribution is the code name of the distribution you want to fit to your data (e.g. "Weibull"); 2. Data is the input data set you want to analyze — this can be either a cell range reference (A1:C10) or an array ({1, 4.5, 7, 3.2, 6});

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3. Options is an optional text parameter allowing to set some of the distribution parameters to fixed values to prevent them from being estimated. For example, specifying "gamma=0" when fitting the Gamma distribution will force EasyFitXL to set =0 and fit the two-parameter Gamma distribution (it will only estimate the and parameters). Note that this option only works with specific distributions and specific parameters — please refer to the documentation on supported continuous and discrete distributions to learn which options can be specified. Return Value: 1. on success, DistFit returns the resulting model as text in the form "Distribution(parameters)" which can be passed to other functions such as DistPdf, DistCdf etc. to perform specific calculations using the selected model (see examples below); 2. on failure, DistFit returns an error message as text. Note: If the distribution fitting process takes too much time, DistFit will display the progress indicator in the caption of the Excel window. You can cancel the operation by pressing the Esc key — in this case DistFit will return "No fit". Using the Function Wizard Category Name:EasyFitXL (Functions) EasyFitXL (Random Numbers) EasyFitXL (Statistics) Functions in a Category:Fit,Pdf,Cdf,Surv,Haz,CumHaz,Inv Rand Mode,Mean,Var,Stdev,Skew,Kurt Relations and Functions Worksheet:-

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A relationship between two quantities can be described symbolically as a relation. Formally, let set A be all possible values of the first quantity and set B all possible values of the second quantity. Then a relation is a rule of correspondence between sets A and B such that each element of set A is assigned to at least one element of set B. Set A is called the domain of the relation and set B is called the range. 1. The relation that pairs each state with its capital. For example, California would be paired with Sacramento. Domain = Range = 2. The relation that pairs birth dates to famous celebrities. For example, December 18 would be paired with Steven Spielberg, Brad Pitt, and Christina Aguilera, among others. Domain = Range = Informally, a relation is any set of ordered pairs. The set of all first coordinates is called the domain, and the set of all second coordinates is called the range. Each domain value and each range value can be 3. {(−1, 5), (0, 2), (1, −4), (2, 1)} Domain: Range: 4. {(−1, 2), (−1, 3), (−1, 4), (−1, 5)} Domain: Range: 5. {(−1, 5), (1, 5), (3, 5), (5, 5)} Domain: Range: used in any number of ordered pairs. A function is a relation that is more restrictive in how it creates ordered pairs. Formally, a function is a relation in which each element of the domain is assigned to one and only one element from the range. Although each range value can still be used in any number of ordered pairs, each domain value may only appear in a single ordered pair.

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Sets and Functions Worksheet

Published on Jul 23, 2012

Note for Excel 2010 and 2007 users: EasyFitXL supports the multi-threaded calculation feature of the latest Excel versions, enabling you to...

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