If set to NA which is the default no confidence interval will be calculated. This refers only to the vector interface. Kendall's tau coefficient sometimes called "Kendall rank correlation coefficient" , is a statistic used to measure the association between two measured quantities. It is a measure of rank correlation: the similarity of the orderings of the data when ranked by each of the quantities.
Kendall's tau-a is computed as.
Its range is [-1, 1]. Note that Kendall tau-a does not take into consideration any ties, which makes it unpractical. Consider using KendallTauB Tau-b when ties are present.
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Hollander, M, Wolfe, D. Liebetrau, A. Newbury Park, CA: Sage, pp.
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For more information on customizing the embed code, read Embedding Snippets. DescTools Tools for Descriptive Statistics. Man pages API Source code Usage 1.
DescTools index. Package overview. More in detail:. Ties happen when both members of the data pair have the same value. Additional details about these indexes can be found in the "More About" section of this document. Ntable uses labels for rows and columns which are supplied disp out.
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Ntable end. Matrix or table which contains the input contingency table say of size I-by-J or the original data matrix. As default procedure assumes that the input is a contingency table.
Specify optional comma-separated pairs of Name,Value arguments. Name is the argument name and Value is the corresponding value. Name must appear inside single quotes ' '. You can specify several name and value pair arguments in any order as Name1,Value1, That is no inferential measure is given. The default value of NoStandardErrors is false.
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Example: 'NoStandardErrors',true. If dispresults is true default it is possible to see on the screen all the summary results of the analysis. Example: 'dispresults',false. Cell containing the labels of the rows of the input contingency matrix N. This option is unnecessary if N is a table.
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Cell containing the labels of the columns of the input contingency matrix N. If datamatrix is true the first input argument N is forced to be interpreted as a data matrix, else if the input argument is false N is treated as a contingency table. The default value of datamatrix is false, that is the procedure automatically considers N as a contingency table.
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Example: 'datamatrix',true. The default value of conflev is 0. Example: 'conflev',0. The sum of the elements of out. Note that the standard errors in this matrix are computed assuming the null hypothesis of independence. Note that the standard errors in this table are computed assuming the null hypothesis of independence.
Note that the standard errors in this matrix are computed not assuming the null hypothesis of independence. Note that the standard errors in this table are computed not assuming the null hypothesis of independence. A pair of observations is concordant if the subject who is higher on one variable also is higher on the other variable, and a pair of observations is discordant if the subject who is higher on one variable is lower on the other variable.