Degree of freedom: Revision history

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21 November 2023

8 November 2023

  • curprev 12:3412:34, 8 November 2023‎ Editor iHTS talk contribs‎ 623 bytes +623‎ Created page with "The number of independent comparisons that can be made between the members of a sample of patients. '''Note:''' This concept refers to the number of independent contributions to a sampling distribution (such as chi-square distribution). In a contingency table, it is the number of cells that can be filled freely, without changing the totals. In a table with i lines and j columns, ddl = (i – 1)*(j - 1) (for example, in a 2 x 2 table comparing two groups for a dichot..." Tag: Visual edit
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