R programming language Wikipedia ~ R is a programming language and free software environment for statistical computing and graphics supported by the R Foundation for Statistical Computing The R language is widely used among statisticians and data miners for developing statistical software and data analysis

R Wikipedia ~ The letter R is sometimes referred to as the littera canīna literally canine letter often rendered in english as the dogs letter This Latin term referred to the Latin R was trilled to sound like a growling dog a spoken style referred to as vōx canīna dog voice A good example of a trilled R is in the Spanish word for dog perro

Coefficient of determination Wikipedia ~ R 2 is a statistic that will give some information about the goodness of fit of a model In regression the R 2 coefficient of determination is a statistical measure of how well the regression predictions approximate the real data points An R 2 of 1 indicates that the regression predictions perfectly fit the data

Registered trademark symbol Wikipedia ~ Because the ® symbol is not commonly available on typewriters or ASCII it is common to approximate it with the characters R or r for example the Python programming language Trademark Usage Policy advocates this usage

RR Wikipedia ~ RR may refer to RR military a military abbreviation for rest and recuperation or rest and relaxation In careers Recent and relevant a requirement that those training teachers in the UK have prior experience teaching in a school

RR military Wikipedia ~ RR military slang for rest and recuperation or rest and relaxation or rest and recreation is a term used for the free time of a soldier or international UN staff serving in unaccompanied no family duty stations

Gas constant Wikipedia ~ The gas constant is also known as the molar universal or ideal gas constant denoted by the symbol R or R and is equivalent to the Boltzmann constant but expressed in units of energy per temperature increment per mole the pressure–volume product rather than energy per temperature increment per particle

Pearson correlation coefficient Wikipedia ~ In statistics the Pearson correlation coefficient PCC pronounced ˈ p ɪər s ən also referred to as Pearsons r the Pearson productmoment correlation coefficient PPMCC or the bivariate correlation is a measure of the linear correlation between two variables X and Y

Dental alveolar and postalveolar trills Wikipedia ~ The alveolar trill is a type of consonantal sound used in some spoken languages The symbol in the International Phonetic Alphabet that represents dental alveolar and postalveolar trills is r and the equivalent XSAMPA symbol is r It is commonly called the rolled R rolling R or trilled R

R v R Wikipedia ~ R v R 1991 UKHL 12 is a court judgment delivered in 1991 in which the House of Lords determined that under English criminal law it is possible for a husband to rape his wife In 1990 the defendant referred to in the judgment only as R to protect the identity of the victim had been convicted of attempting to rape his wife