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Kendall's tau statistics: The measures of the correlation between the two sets of rankings. Kendall's tau itself (τ) is the rank correlation coefficient based on number of inversions in one ranking as compared with another, that is on S given by
here P is the number of concordant pairs of the observations, which means pairs of observations such that their rankings on the two variables are in same direction, and Q is the number of discordant pairs for which rankings on the two variables are in reverse direction.
The coefficient τ is calculated as follows The number of other versions of τ have been developed which are appropriate for measuring the association in an r×c contingency table with row and column variables both having ordered categories. (Tau itself is not suitable since it supposes no tied observations.) One instance is the coefficient, τ C given by the following formula where m min r; c.
Harris and Stevens forecasting is the method of making short term forecasts in the time series which is subject to abrupt changes in pattern and the transient effects. Instances o
How large would the sample need to be if we are to pick a 95% confidence level sample: (i) From a population of 70; (ii) From a population of 450; (iii) From a population of 1000;
The graphical process most frequently used in the analysis of data from a two-by-two crossover design. For each of the subject the difference between the response variable values o
Chapter 7 2. Describe the distribution of sample means (shape, expected value, and standard error) for samples of n =36 selected from a population with a mean of µ = 100 and a sta
Labour force survey : This survey carried out in the UK on the quarterly basis since the spring of year 1992. It covers 60 000 households and gives labour force and other detail
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Attitude scaling : The process of analysing the positions of the individuals on scales purporting to measure attitudes, for instance a liberal-conservative scale, ora risk-willingn
I do have a data of real gdp for each state and from 2000 to 2010 and I also have estimated population of illigel immigrants for each state from 2000 to 2010. In my thesis I am try
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The contingency tables in which the row and column both the categories follow a natural order. An instance for this might be, drug toxicity ranging from mild to severe, against the
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