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notes:r_cheat_sheet

Differences

This shows you the differences between two versions of the page.

--- notes:r_cheat_sheet [2026/09/14 16:03]
47.79.206.42 old revision restored (2026/09/03 15:04)
+++ notes:r_cheat_sheet [2026/09/16 09:23] (current)
216.73.216.94 old revision restored (2026/09/14 00:28)
@@ Line 26: / Line 26: @@
   * ''myseq + 1'' adds one to all elements of the myseq vector.
   * Scalar operations or functions on vectors typically produce other vectors e.g. + - == sin(myseq)
+  * ''head(myvec)'' , ''tail(myvec)'' to show start or end of vector
 ===== Plotting =====
@@ Line 68: / Line 69: @@
   * ''read.table'' to read text data with other separators
   * ''con<-url("http://google.com","r")'' to read a webpage
-  * ''x<=readLines(con)'' to convert to an array of lines
+  * ''x<-readLines(con)'' to convert to an array of lines

notes/r_cheat_sheet.1789427021.txt.gz · Last modified: 2026/09/14 16:03 by 47.79.206.42

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