Conditional structures: Difference between revisions
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===if=== |
===if=== |
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Like most languages, R has an if statement as well as if-then-else: |
Like most languages, R has an if statement as well as if-then-else: |
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<lang |
<lang rsplus>x<-0 |
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if(x==0) print("foo") |
if(x==0) print("foo") |
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x<-1 |
x<-1 |
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> if(x==0) print("foo") else print("bar") |
> if(x==0) print("foo") else print("bar") |
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[1] "bar"</pre> |
[1] "bar"</pre> |
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===switch=== |
===switch=== |
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R also has switch, but it's a function rather than a special form of any sort. In fact, R has two versions of switch: one for numbers and one for characters. |
R also has switch, but it's a function rather than a special form of any sort. In fact, R has two versions of switch: one for numbers and one for characters. |
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