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intro-r-data-analysis/session1/Basic_script.R

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+#This script perform some basic calculations in R.
+#To run this script you may select all and hit the Run button on top right of this pane ...
+#... or go Cmd+A followed by Cmd+Enter on Mac. If you use Windows, ...
+#... you can also go Ctrl+A followed by Ctrl+Enter.
+
+#The following command will add 2 to 3 and store the value in variable named 'a'.
+a <- sum(2,3)
+
+#The following command will get the product of 2 and 3 and store it in 'b'.
+b <- prod(2,3)
+
+#Next, we check if a and b have equal values.
+a == b
+
+#Next, we check if a and b are not equal.
+a != b
+#Conclusion: Summing numbers is not the same as multiplying them!
+#Time to write a paper? I think we can go to Nature or Science with this discovery.
+
+
+#Check if two conditions are simultaneously true.
+(a == b) & (sqrt(3) == 5)
+
+#Check if any one of given two conditions are true.
+#Vertical line is how we say 'or' in R.
+(a == b) | (sqrt(3) == 5)
+
+#Variables can also store characters.
+name <- "Homo sapiens"
+
+#Is Homo sapiens equal to human being?
+name == "Human being"
+
+#Apparently not?