Sponsored Content
Top Forums Shell Programming and Scripting 3 column .csv --> correlation matrix; awk, perl? Post 302669943 by shamrock on Wednesday 11th of July 2012 12:38:39 PM
Old 07-11-2012
I am not sure why you are getting incorrect results as the output on my system is exactly what you want...i changed the awk script slightly so it uses if else statements instead of the conditional operator...thogh i am not sure why that would fix things on your system but it helps if you copy and paste correctly...
Code:
awk -F, '{
    OFS = ","
    if (t) {
       if (l != $1)
          t = t OFS $1
    } else t = OFS $1
    x[$1] = x[$1] ? x[$1] OFS $NF : $NF
    l = $1
} END {
    print t
    for (i in x) print i, x[i]
}' file

This User Gave Thanks to shamrock For This Post:
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

correlation coefficient - Awk

Hi guys I have an input file with multiple columns and and rows. Is it possible to calculate correlation of certain value of certain No (For example x of S1 = 112) with all other values (for example start with x 112 corr a 3 of S1 = x-a 0.2 ) INPUT ******* No S1 S2 S3 S4 Sn a 3 ... (2 Replies)
Discussion started by: quincyjones
2 Replies

2. UNIX for Dummies Questions & Answers

How to extract one column from csv file in perl?

Hi everyone, i am new to perl programming, i have a problem in extracting single column from csv file. the column is the 20th column, please help me.. at present i use this code #!C:/perl/bin use warnings; use strict; my $file1 = $ARGV; open FILE1, "<$file1" or die "Can't... (13 Replies)
Discussion started by: kvth
13 Replies

3. Shell Programming and Scripting

two-column data to matrix in AWK

Howdy, I need to convert an association data matrix, currently in a two-column format, into a matrix with numbers indicating the number of associations. I've been looking around for AWK code in the list, but could not find anything. Here's an example of what I want to perform: original... (10 Replies)
Discussion started by: sramirez
10 Replies

4. Shell Programming and Scripting

awk? adjacency matrix to adjacency list / correlation matrix to list

Hi everyone I am very new at awk but think that that might be the best strategy for this. I have a matrix very similar to a correlation matrix and in practical terms I need to convert it into a list containing the values from the matrix (one value per line) with the first field of the line (row... (5 Replies)
Discussion started by: stonemonkey
5 Replies

5. Shell Programming and Scripting

awk: Transpose csv row to column.

Hello, am I new to awk, and I am tryint to: INPUT FILE: "73423555","73423556","73423557","73423558","73423559" OUTPUT FILE: 73423555 73423556 73423557 73423558 73423559 My useless code so far: #!/bin/awk -F ',' BEGIN { i=0; } (8 Replies)
Discussion started by: drbiloukos
8 Replies

6. Shell Programming and Scripting

awk read column csv and search in other csv

hi, someone to know how can i read a specific column of csv file and search the value in other csv columns if exist the value in the second csv copy entire row with all field in a new csv file. i suppose that its possible using awk but i m not expertise thanks in advance (8 Replies)
Discussion started by: giankan
8 Replies

7. Shell Programming and Scripting

Perl code to grep a particular column in CSV format

Hi I want to grep a column 6 & column 7 from a CSV Format file & then i have to find the difference between these columns as these both columns contains date & time in 7/7/2012 9:20 this format . So kindly help me out ASAP. But please kindly dis xls has to be converted in csv format as may... (5 Replies)
Discussion started by: Prateek@123
5 Replies

8. Shell Programming and Scripting

Perl- creating a matrix from a 3 column file

Dear all, I'm new in perl scripting and I'm trying to creating a matrix from a 3 column file sorting data in a particular manner. In the final matrix I need to have the first column "IDs" on the header of the columns and the second column values on the header of each row. And the value fo the... (2 Replies)
Discussion started by: gabrysfe
2 Replies

9. Shell Programming and Scripting

Transpose matrix based on second column using awk

Hi, Is it possible to transpose the matrix like this using awk ? Many thanks in advance Input abc Name_1 0 abc Name_2 1 abc Name_3 2 abc Name_4 0.4 def Name_1 0 def Name_2 9 def Name_3 78 def Name_4 1 Output abc def Name_1 0 ... (4 Replies)
Discussion started by: quincyjones
4 Replies

10. Shell Programming and Scripting

Need awk or Shell script to compare Column-1 of two different CSV files and print if column-1 matche

Example: I have files in below format file 1: zxc,133,joe@example.com cst,222,xyz@example1.com File 2 Contains: hxd hcd jws zxc cst File 1 has 50000 lines and file 2 has around 30000 lines : Expected Output has to be : hxd hcd jws (5 Replies)
Discussion started by: TestPractice
5 Replies
makedbm(8yp)															      makedbm(8yp)

Name
       makedbm - make a yellow pages dbm file

Syntax
       makedbm [ -i yp_input_file ] [ -o yp_output_name ] [ -d yp_domain_name ] [ -m yp_master_name ] infile outfile
       makedbm [ -u dbmfilename ]

Description
       The command takes the file specified by the argument infile and converts it to a pair of files in format, namely and Each line of the input
       file is converted to a single record.  All characters up to the first tab or space form the key, and the rest of the line is defined as the
       key's  associated data.	If a line ends with a backslash (), the data for that record is continued onto the next line.	It is left for the
       clients of the yellow pages to interpret the number sign (#); does not treat it as a comment character.	The  infile  parameter	can  be  a
       hyphen (-), in which case reads the standard input.

       The  command  is  meant	to  be	used in generating files for the yellow pages service.	The command generates a special entry with the key
       yp_last_modified, which is the date of infile.

Options
       -i     Create a special entry with the key yp_input_file.

       -o     Create a special entry with the key yp_output_name.

       -d     Create a special entry with the key yp_domain_name.

       -m     Create a special entry with the key yp_master_name.  If no master host name is specified, yp_master_name will be set  to	the  local
	      host name.

       -u     Undo a file.  That is, print out a file one entry per line, with a single space separating keys from values.

Examples
       The  following  example shows how a combination of commands can be used to make the yellow pages files and from the file.  The percent sign
       (%) signifies the system prompt.

       % awk 'BEGIN { FS = ":"; OFS = ""; }
	{ print $1, $0 }' /etc/passwd > ptmp
       % makedbm ptmp passwd.byname
       % rm ptmp

       The command creates the file ptmp which is in a form usable by The command uses the ptmp file to create the yellow pages dbm files and  The
       command removes the ptmp file.

See Also
       yppasswd(1yp), dbm(3x), ypmake(8yp)

																      makedbm(8yp)
All times are GMT -4. The time now is 11:36 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy