Write a function in R programming Language which will take parameter and the value will default value.
R Programming Language Function in R Language (Article) Function in R Language (Program)
246Program:
# R function hello.person <- function(firstName, lastName = "Ansari") { print(sprintf("Hello %s %s", firstName, lastName)) } # different way of function calling hello.person("Rumman") hello.person(firstName = "Rumman") hello.person(firstName = "Ansari", "Azmi") # this function calling will not work hello.person(lastName = "Rumman")
Output:
> hello.person("Rumman") [1] "Hello Rumman Ansari" > > hello.person(firstName = "Rumman") [1] "Hello Rumman Ansari" > > hello.person(firstName = "Ansari", "Azmi") [1] "Hello Ansari Azmi" > # this function calling will not work > hello.person(lastName = "Rumman") Error in sprintf("Hello %s %s", firstName, lastName) : argument "firstName" is missing, with no default
Explanation:
# this function calling will not work
hello.person(lastName = "Rumman")
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