sampleDistribution Web service operation
Created: 2011-08-03 22:39:02
Last updated: 2011-08-04 11:40:14
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Workflow Components
Inputs (3)
| Name |
Description |
| number |
Desired number of samples. Note: for the "full" method the resulting number of samples will be equal to number of samples to the power equal to dimension of each sample. |
| distributionNameParamsList |
List of lists which specify probabilistic distributions to sample from. Size of this list defines dimension of samples.
Each distribution is specified by name and parameter values. Name is a string with a prefix from Mathematica's *Distribution symbols. See the Mathematica's documentation for comprehensive list o available distributions and their parameters: http://reference.wolfram.com/legacy/v7/guide/StatisticalDistributions.html . Parameters are specified using number, string, Mathematica symbol or heterogeneous list of any of those types . These are represented as:
d.n
"text"
Symbol
{ el1, el2, ... }
repectively, i.e. text containing '.' character is treated as a decimal number (e.g. '1.0', '0.15', etc.), quoted text is interpreted as a string, plain text w/o '.' character is interpreted as a Mathematica symbol and curly brackets delimit list, which elements are comma-separated. ATTENTION: comas and quotes inside of the string must be escaped with backslash (i.e. "\," or "\""); you can also escape curly brackets for consistency but it's not mandatory.
Example - two dimensional samples defined by two lists of three and two elements respectively:
"normal", 0.0, 1.0
"uniform", {0.0, 1.0} |
| method |
Method is one of:
* "random" (default) - standard, random distribution sampling,
* "lhs" - Latin Hypercube sampling (see http://en.wikipedia.org/wiki/Latin_hypercube_sampling),
* "full" - "lhs" over each of the sampled dimensions with theirs full product, i.e. each grid part of the sample space is represented by one sample; note: returned number of samples is a given number of samples to the power equal to dimension of a sample. |
Processors (7)
| Name |
Type |
Description |
| sampleDistributionParamsXML |
local |
|
| sampleXML |
local |
|
| sampleDistributionResultXML |
local |
|
| sampleDistribution |
arbitrarywsdl |
|
| setDistributionXml |
beanshell |
|
| headTail |
beanshell |
|
| echo2DList |
beanshell |
|
Beanshells (3)
| Name |
Description |
Inputs |
Outputs |
| setDistributionXml |
|
name
parameterList
|
distributionXml
|
| headTail |
|
list
|
head
tail
|
| echo2DList |
|
in
|
out
|
Outputs (1)
| Name |
Description |
| sampleList |
|
Links (11)
| Source |
Sink |
| distributionNameParamsList |
echo2DList:in |
| method |
sampleDistributionParamsXML:method |
| number |
sampleDistributionParamsXML:number |
| echo2DList:out |
headTail:list |
| headTail:head |
setDistributionXml:name |
| headTail:tail |
setDistributionXml:parameterList |
| sampleDistribution:sampleDistributionResult |
sampleDistributionResultXML:input |
| sampleDistributionParamsXML:output |
sampleDistribution:sampleDistributionParams |
| sampleDistributionResultXML:sample |
sampleXML:input |
| sampleXML:ArrayOfdecimal |
sampleList |
| setDistributionXml:distributionXml |
sampleDistributionParamsXML:distribution |
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