资讯

isixsigma on MSN3 个月
Practical Application of Contingency Tables in Industry
A contingency table, also called a two-way frequency table or crosstab, is a tabular matrix with at least two rows and two ...
Simon Fraser University14 年
Example 28.4: Analyzing a 2x2 Contingency Table
WARNING: 50% of the cells have expected counts less than 5. (Asymptotic) Chi-Square may not be a valid test.
technologynetworks8 个月
The Fisher’s Exact Test
What is Fisher's exact test? Fisher’s exact test is a statistical hypothesis test used to assess the association between two binary variables in a contingency table and is particularly useful when ...
Simon Fraser University8 年
Example 4: Analyzing a 2×2 Contingency Table
The contingency table lists the variable values so that the first table cell contains the frequency of positive exposure and response. PROC FREQ does not truncate the formatted variable values that ...
Houston Chronicle13 年
What Is Cross Tabulation in Marketing?
When analyzing raw data, cross tabulation - a table with columns and rows - helps marketers observe two or more variables simultaneously. Also known as contingency tables or cross tabs ...