Examlex
Although C++ supports the basic arithmetic operations of addition, subtraction, multiplication, and division by providing simple operators (+, −, *, /)to do these tasks, there is no operator for exponentiation-that is, raising a value to a power.
Observational Studies
Research methods where the investigator observes subjects without manipulation, aiming to find correlations between variables.
Planetary Motion
The movement of planets around a star, such as the orbit of Earth and other planets around the Sun.
Proxy Variable
An auxiliary variable used in statistical analyses to represent an unobservable or difficult-to-measure variable.
Confounding Variable
A variable that influences both the dependent variable and independent variable, causing a spurious association.
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