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The point biserial correlation coefficient (r pb) is a correlation coefficient used when one variable (e.g. Y) is dichotomous; Y can either be "naturally" dichotomous, like whether a coin lands heads or tails, or an artificially dichotomized variable. In most situations it is not advisable to dichotomize variables artificially.
The KSOG is often used as a tool in research. [6] [7] Introduced in Klein's book The Bisexual Option the KSOG uses a seven-point scale to assess seven different dimensions of sexuality at three different points in an individual's life: past (from early adolescence up to one year ago), present (within the last 12 months), and ideal (what would be chosen if it were voluntary).
Similar to a scatter plot except that the measurement points are ordered (typically by their x-axis value) and joined with straight line segments. Often used to visualize a trend in data over intervals of time – a time series – thus the line is often drawn chronologically. A log-log chart spanning more than one order of magnitude along both ...
The average cloud weighs over one million pounds. Wearing a necktie could reduce blood flow to your brain by up to 7.5 percent. Animals can also be allergic to humans.
Statistical graphics have been central to the development of science and date to the earliest attempts to analyse data. Many familiar forms, including bivariate plots, statistical maps, bar charts, and coordinate paper were used in the 18th century. Statistical graphics developed through attention to four problems: [3]
If you’re seeking more trivia fun, check out 115 music trivia questions and answers that totally rock (and roll), 125 movie trivia questions (with answers) to test your film IQ, and 112 trivia ...
When modelling relations between two different classes of objects, bipartite graphs very often arise naturally. For instance, a graph of football players and clubs, with an edge between a player and a club if the player has played for that club, is a natural example of an affiliation network, a type of bipartite graph used in social network analysis.
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