what is the mean of pr value and pr in lm model in r definition of r summary function what is the meaning of t value and pr(t)? function r summary what is sum of lm value what is the definition of pl value in r which statement is the summation of a function? what is the r meaning of t value summary function for regression model in r what is the meaning of t value in linear regression in r analyzing lm models in r what is the meaning of pr(>|t) in r? what is summary in r what is the meaning of __________ in summary summary r value what is the meaning of t>|t| in r lm model define what is the meaning of the function for the summary in r. which statement describes the summary function of a regression model? what is the meaning of t value in summary