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notes:r_cheat_sheet

Differences

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

--- notes:r_cheat_sheet [2026/11/02 08:28]
76.97.209.55 old revision restored (2026/06/11 11:13)
+++ notes:r_cheat_sheet [2026/11/03 05:09] (current)
157.100.198.61 old revision restored (2026/08/03 07:09)
@@ Line 28: / Line 28: @@
 ===== Plotting =====
-  * ''barplot[myseq]'' creates a bar plot of the ''myseq'' vector.
+  * ''barplot[myseq]'' creates a bar plot of the ''myseq'' vector. ''abline(h=y)'' plots a horizontal line at height y.
   * ''plot[x,y]'' plots x vs y e.g. <code>
 x=seq[0,20,.1]
@@ Line 45: / Line 45: @@
   * ''mymatrix[,2]'' returns entire second column.
+===== Statistics =====
+  * ''mean(myvec)'' returns the mean.
 ===== File Handling =====
   * ''list.files()'' to list files in furrent directory
   * ''source("file.R")'' to load file of code

notes/r_cheat_sheet.1793636889.txt.gz · Last modified: 2026/11/02 08:28 by 76.97.209.55

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