In statistics, a contingency table (also known as a cross tabulation or crosstab) is a type of table in a matrix format that displays the multivariate...

e. commonly mislabeling one as another). It is a special kind of contingency table, with two dimensions ("actual" and "predicted"), and identical sets...

logic Contingency plan, in planning Contingency (electrical grid), in electrical grid engineering Contingency table, in statistics Contingency theory...

test) is a statistical significance test used in the analysis of contingency tables. Although in practice it is employed when sample sizes are small,...

reporting Comparison of office suites Comparison of OLAP servers Contingency table, a crosstab that tallies counts, rather than totals Data drilling...

variables (two dimensions of the contingency table) are independent in influencing the test statistic (values within the table). The test is valid when the...

into the following frequency table. Bivariate joint frequency distributions are often presented as (two-way) contingency tables: The total row and total column...

another gold standard test – and cross tabulates the data into a 2×2 contingency table, comparing the two classifications. One then evaluates the classifier...

r = Number of rows of the contingency table (i.e. number of distinct  x i ) c = Number of columns of the contingency table (i.e. number of distinct  y...

standard deviations of the mean is at least as much as given in the following table. The central limit theorem states that the distribution of an average of...

{\displaystyle H_{N}=594} stayed healthy. We can organize this in a contingency table:  Diseased   Healthy   Exposed  20 380  Not exposed  6 594 {\displaystyle...

associated contingency table), and Cols corresponds to the number of independent groups (i.e. columns in the associated contingency table). For a test...

argued to be flawed as they ignore the true negative cell of the contingency table, and they are easily manipulated by biasing the predictions. The first...

during that time. Such scenarios can be represented using a two-by-two contingency table with the number of elements that had each of the combination of events...

test χ 2 {\displaystyle \chi ^{2}} test nominal non-parametric No Contingency table, sample size > ca. 60, any cell content ≥ 5, marginal totals fixed...

multiple possible thresholds. Each threshold generates a two-by-two contingency table, which contains four entries: hits, misses, false alarms, and correct...

independence in a contingency table. It aims at correcting the error introduced by assuming that the discrete probabilities of frequencies in the table can be approximated...

rearranged into ascending order. In sports, standings, rankings, or league tables group teams of a particular league, conference, or division in a chart based...

In statistics, the phi coefficient (or mean square contingency coefficient and denoted by φ or rφ) is a measure of association for two binary variables...

is the statistical process of adjusting data sample weights of a contingency table to match desired marginal totals. "1. How different weighting methods...

{\displaystyle {\frac {ad}{bc}}} where a, b, c and d are cells in a 2×2 contingency table. If there are multiple explanatory variables, the above expression...

{n+1}{2}}\right)^{2}\\[4pt]&={\frac {n^{2}-1}{12}}.\end{aligned}}} The following table lists the variance for some commonly used probability distributions. Variance...

linear model form of regression analysis used to model count data and contingency tables. Poisson regression assumes the response variable Y has a Poisson...

failure. Let N describe the number of all marbles in the urn (see contingency table below) and K describe the number of green marbles, then N − K corresponds...

into a contingency table with rows corresponding to the coin and columns corresponding to heads or tails. The elements of the contingency table will be...

Thus an approximate p-value can be obtained from a normal probability table. For example, if z = 2.2 is observed and a two-sided p-value is desired...

{\displaystyle k\in \{1,\ldots ,n_{ij}\}} ). From these data, we can build a contingency table, where n i + = ∑ j = 1 J n i j {\displaystyle n_{i+}=\sum _{j=1}^{J}n_{ij}}...

for some condition. The four outcomes can be formulated in a 2×2 contingency table or confusion matrix, as follows: the number of real positive cases...

\ldots ,Y_{s}\}} , the overlap between X and Y can be summarized in a contingency table [ n i j ] {\displaystyle \left[n_{ij}\right]} where each entry n i...

ordinary median. The following table has 13 rows, and follows the rules for the odd number of entries. For the data in this table the interquartile range is...