Beginning R

Less than:

my_number <- 74

if (my_number < 100){
    print(paste(my_number, "is less than 100"))
}

Rscript if.R

[1] "74 is less than 100"

Equal to:

my_number <- 74

if (my_number == 100){
    print(paste(my_number, "== 100"))
}

if (my_number == 74){
    print(paste(my_number, "== 74"))
}

Rscript if.R

[1] "74 == 74"

Not equal to:

my_number <- 74

if (my_number != 100){
    print(paste(my_number, "!= 100"))
}

if (my_number != 74){
    print(paste(my_number, "!= 74"))
}

Rscript if.R

[1] "74 != 100"