Lesson plan
C+-probability
In statistics, a c + -probability is the probability that a contrast variable obtains a positive value. Using a replication probability, the c + -probability is defined as follows: if we get a random draw from each group (or factor level) and calculate the sampled value of the contrast variable based on the random draws, then the c + -probability is the chance that the sampled values of the contrast variable are greater than 0 when the random drawing process is repeated infinite times. The c + -probability is a probabilistic index accounting for distributions of compared groups (or factor levels). The c + -probability and SMCV are two characteristics of a contrast variable. There is a link between SMCV and c + -probability. The SMCV and c + -probability provides a consistent interpretation to the strength of comparisons in contrast analysis. When only two groups are involved in a comparison, the c + -probability becomes d + -probability which is the probability that the difference of values from two groups is positive. To some extent, the d + -probability (especially in the independent situations) is equivalent to the well-established probabilistic index P(X > Y). Historically, the index P(X > Y) has been studied and applied in many areas. The c + -probability and d + -probability have been used for data analysis in high-throughput experiments and biopharmaceutical research.
Article summary
In statistics, a c + -probability is the probability that a contrast variable obtains a positive value. Using a replication probability, the c + -probability is defined as follows: if we get a random draw from each group (or factor level) and calculate the sampled value of the contrast variable based on the random draws, then the c + -probability is the chance that the sampled values of the contrast variable are greater than 0 when the random drawing process is repeated infinite times. The c + -probability is a probabilistic index accounting for distributions of compared groups (or factor levels). The c + -probability and SMCV are two characteristics of a contrast variable. There is a link between SMCV and c + -probability. The SMCV and c + -probability provides a consistent interpretation to the strength of comparisons in contrast analysis. When only two groups are involved in a comparison, the c + -probability becomes d + -probability which is the probability that the difference of values from two groups is positive. To some extent, the d + -probability (especially in the independent situations) is equivalent to the well-established probabilistic index P(X > Y). Historically, the index P(X > Y) has been studied and applied in many areas. The c + -probability and d + -probability have been used for data analysis in high-throughput experiments and biopharmaceutical research.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.