[R] Sort help

Richardson, Patrick Patrick.Richardson at vai.org
Wed Nov 5 20:24:23 CET 2008


A great tutorial about sorting data in R.


Patrick Richardson
Biostatistician - Program of Translational Medicine
Van Andel Research Institute - Webb Lab
Grand Rapids, MI  49503

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Rajasekaramya
Sent: Wednesday, November 05, 2008 2:03 PM
To: r-help at r-project.org
Subject: [R] Sort help

  Geneset_name                              #Chromosome  #Hit_in_Biomart
original_geneset_len  Missing.genes
 [1,] "AGUIRRE_PANCREAS_CHR12"              "1"         "51"
"59"                 "8"
  [3,] "AGUIRRE_PANCREAS_CHR9"               "1"         "24"
"24"                 "0"
 [4,] "AGUIRRE_PANCREAS_CHR1"                "1"         "30"
"31"                 "1"
 [5,] "AGUIRRE_PANCREAS_CHR18"              "1"         "17"
"17"                 "0"
 [6,] "AGUIRRE_PANCREAS_CHR7"               "1"         "35"
"48"                 "13"
 [7,] "AGUIRRE_PANCREAS_CHR8"               "1"         "55"
"61"                 "6"

Above is a dataframe information.

i need to sort the entire dataframe based on the  3rd colum. in decending

I tried using order

information[order(information[,3])] but it gives me only the ordered first
coulmn that too i am not sure that it really works.

Kindly let me know with any suggestions.


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