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For example, how would I go about entering the value e^2 in R?
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In R programming, we can compute the value of e using the exp() function. The exp() function in R can return the exponential value of a number i.e. ex. Here x is passed to the function as a parameter. x can also represent a numeric Vector.
We've learned that the number e is sometimes called Euler's number and is approximately 2.71828. Like the number pi, it is an irrational number and goes on forever. The two ways to calculate this number is by calculating (1 + 1 / n)^n when n is infinity and by adding on to the series 1 + 1/1! + 1/2!
The E-value can be calculated for an observed risk ratio (denoted RR) by E-value = R R + R R × ( R R - 1 ) . If the original risk ratio is below 1, then one first takes the inverse before applying the E-value formula.
exp() function in R Language is used to calculate the power of e i.e. e^y or we can say exponential of y. The value of e is approximately equal to 2.71828…..
The R expression
exp(1) represents e, and
exp(2) represents e^2.
This works because exp is the exponentiation function with base e.
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-digamma(1) is the Euler's Constant in R.
e, (exp(1) in R), which is the natural base of the natural logarithm
Euler's Constant. Euler's Number
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