What is concordance and discordance in logistic regression?
What is concordance and discordance in logistic regression?
Concordance & Discordance A pair is said to be concordant if 1 has a higher predicted probability than 0 and is said to be discordant if 0 has a higher predicted probability than 1 and is tied if both are same.
How do you find concordant and discordant pairs?
A pair is concordant if the subject ranked higher on X also ranks higher on Y. The pair is discordant if the subject ranking higher on X ranks lower on Y. The pair is tied if the subjects have the same classification on X and/or Y.
What is concordance in research?
Concordance rate is a statistical index that researchers use to determine the relative influence of nature and nurture. The word concordance means ‘to agree,’ so the concordance rate is the rate of agreement.
What do concordance means?
Definition of concordance 1 : an alphabetical index of the principal words in a book or the works of an author with their immediate contexts. 2 : concord, agreement.
What is concordance in statistics?
From Wikipedia, the free encyclopedia. In statistics, the concordance correlation coefficient measures the agreement between two variables, e.g., to evaluate reproducibility or for inter-rater reliability.
What is concordance in data science?
The index of concordance is a “global” index for validating the predictive ability of a survival model. It is the fraction of pairs in your data, where the observation with the higher survival time has the higher probability of survival predicted by your model.
What does concordance mean in statistics?
concordance correlation coefficient
From Wikipedia, the free encyclopedia. In statistics, the concordance correlation coefficient measures the agreement between two variables, e.g., to evaluate reproducibility or for inter-rater reliability.
What is example of concordance?
The definition of concordance is an agreement, or an alphabetical list of primary words used by an author. An example of a concordance is two friends agreeing to go into business in a certain way. An example of a concordance is a list showing how many times the word Jesus shows up in the Bible and in what passages.
What is concordance in a sentence?
an index of all main words in a book along with their immediate contexts. 1. Last Thursday’s show produced moments of inspired concordance between the dance forms. 2.
What is the dictionary definition of discordance?
Define discordance. discordance synonyms, discordance pronunciation, discordance translation, English dictionary definition of discordance. n. 1. The state or an instance of disagreement; discord. 2. Genetics The presence of a given trait in only one member of a pair of identical twins.
What does discdiscordance mean?
discordance [diskôr′dəns] the expression of one or more specific traits in only one member of a pair of twins. Compare concordance.
What is the difference between concordant and discordant pairs?
If the direction of classifications is the same, the pairs are concordant. For example, both X and Y rate item 1 higher than item 2. If the direction of the classification is not the same, the pair is discordant. For example, X rates item 1 higher than item 2 but Y rates item 1 lower than item 2.
What is the definition of concordance in biology?
1. Dissociation of two characteristics in the members of a sample from a population; used as a measure of dependence. 2. In genetics, the presence of a given trait in only one member of a twin pair. Compare: concordance.
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