Odds : Odds are a way of expressing the probability or likelihood of an event occurring. They are often used in gambling and betting to determine the chances of a particular outcome occurring. For example, if the odds of winning a bet are 2 to 1, this means that for every two times the event […]

Occupancy problems : Occupancy problems refer to situations where there is a mismatch between the number of available units or spaces and the demand for those units or spaces. This can lead to a variety of issues, including financial losses for property owners, frustration and inconvenience for tenants or customers, and even legal disputes. Here […]

Occam’s window : Occam’s window, also known as the principle of parsimony or the law of parsimony, is a philosophical principle that states that the simplest explanation or solution is usually the correct one. This principle is named after William of Ockham, a 14th century English logician and Franciscan friar, who is credited with its […]

Occam’s razor : Occam’s Razor is a principle that suggests that when faced with multiple explanations for a phenomenon, the simplest explanation is most likely the correct one. This principle is named after the 14th-century English logician and Franciscan friar William of Ockham, who is credited with being its originator. One way to understand Occam’s […]

Obuchowski and Rockette method : The Obuchowski and Rockette method is a statistical method for evaluating the accuracy of a diagnostic test or classifier. It is based on the receiver operating characteristic (ROC) curve, which is a graphical plot that illustrates the diagnostic ability of a test or classifier. To understand the Obuchowski and Rockette […]

Observational study : An observational study is a research method in which researchers observe and collect data on subjects without manipulating or intervening in any way. This type of study is often used to examine the relationship between two variables or to understand the behavior of a particular group of people. One example of an […]

O’Brien’s two-sample tests : O’Brien’s two-sample tests are statistical tests used to compare the means of two independent groups in order to determine if there is a significant difference between them. These tests are commonly used in research to compare the effectiveness of different treatments or interventions, or to examine the relationship between a dependent […]

O’Brien-Fleming method : The O’Brien-Fleming method is a statistical procedure used to control the false discovery rate (FDR) in multiple hypothesis testing. It is a method for controlling the number of false positives that occur when testing multiple hypotheses simultaneously. The O’Brien-Fleming method involves setting a predetermined threshold for the FDR, and then adjusting the […]

Oblique factors : Oblique factors refer to the intangible, less concrete, and often implicit aspects of a situation that can influence an individual’s decision-making or behavior. These factors can be difficult to identify and measure because they are often subjective and may not be directly related to the task at hand. However, they can have […]