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--- documents:111012rtricks [2012/06/13 12:38] – kota
+++ documents:111012rtricks [2020/11/26 07:08] (current) – kota
@@ Line 4: / Line 4: @@
 When you import data from the out put of other software, you might have trailing 0s at the end of each column:
-<code>
+<code:R>
 > d0
  [1] 69.444 70.889 86.667 95.667 83.444 78.333 67.889
@@ Line 18: / Line 18: @@
 </code>
 To remove them, there could be many ways, but here is my one liner.
-<code R>
+<code:R>
 d0c <- d0[rev(cumsum(rev(d0)))>0]
 </code>
@@ Line 34: / Line 34: @@
 ===== Plotting a matrix data as a color-coded image =====
-<sxh>
+<code:R>
 #a 2Dplot, color coded.
 x <- c(1:20)
@@ Line 49: / Line 49: @@
 mat <- list(x, y, z)
 image(x, y, z)
-</sxh>
+</code>
 [{{:documents:rtips:imageplot.png| Example plotting of a matrix using base graphics function image()}}]
 ... a bit faster way calculation wise uses indexing.
-<sxh>
+<code:R>
 width <- 10
 height <- 20
@@ Line 76: / Line 76: @@
   return (all)
 }
-</sxh>
+</code>
 ===== Inserting math formula & symbols in label or title =====
@@ Line 91: / Line 91: @@
 More recent, but under development is using [[http://cran.r-project.org/web/packages/tikzDevice/|tikzDevice]].
+===== Variable Name to String =====
+<code>
+myfunc <- function(v1) {
+  deparse(substitute(v1))
+}
+myfunc(foo)
+[1] "foo"
+</code>