Sponsored Content
Top Forums UNIX for Dummies Questions & Answers Averaging the rows using 'awk' Post 302423905 by arvindr on Sunday 23rd of May 2010 07:08:38 AM
Old 05-23-2010
Averaging the rows using 'awk'

Dear all,
I have the data in the following format. I want to do average of each NR= 5 (rows) for all the 3 ($1,$2, $3) columns and want to print average result in another file in the same format. I dont know how to write code for this in 'awk', can some one help me to write a code for this in "awk".

Code:
   $1                  $2                  $3
   4.000000E+03        4.990302E+00        5.557000E+00
   4.000050E+03        4.998532E+00        5.557000E+00
   4.000100E+03        4.995319E+00        5.557000E+00
   4.000150E+03        5.003360E+00        5.557000E+00
   4.000200E+03        5.000279E+00        5.557000E+00
   4.000250E+03        5.008273E+00        5.557000E+00
   4.000300E+03        5.005232E+00        5.557000E+00
   4.000350E+03        5.013134E+00        5.557000E+00
   4.000400E+03        5.010103E+00        5.557000E+00
   4.000450E+03        5.017992E+00        5.557000E+00
   4.000500E+03        5.014914E+00        5.557000E+00
   4.000550E+03        5.022835E+00        5.557000E+00
   4.000600E+03        5.019675E+00        5.557000E+00
   4.000650E+03        5.027411E+00        5.558000E+00
   4.000700E+03        5.024382E+00        5.558000E+00
   4.000750E+03        5.032073E+00        5.558000E+00
   4.000800E+03        5.029087E+00        5.558000E+00
   4.000850E+03        5.036683E+00        5.558000E+00
..................... ...................... ......................
.................... ....................... ........................


Last edited by Scott; 05-23-2010 at 08:25 AM.. Reason: Please use code tags
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

AWK - averaging $3 by info in $1

Hello, I have three columns of data of the format below: <name> <volume> <size> a 2 1.2 a 2 1.1 b 3 1.7 c 0.7 1.9 c 0.7 1.9 c 0.7 1.8 What I... (3 Replies)
Discussion started by: itisthus
3 Replies

2. Shell Programming and Scripting

averaging column values with awk

Hello. Im just starting to learn awk so hang in there with me...I have a large text file formatted as such everything is in a single column ID001 value 1 value 2 value....n ID002 value 1 value 2 value... n I want to be able to calculate the average for values for each ID from the... (18 Replies)
Discussion started by: johnmillsbro
18 Replies

3. UNIX for Dummies Questions & Answers

Averaging

Hello all, I'm trying to perform an averaging procedure which selects a selection of rows, average the corresponding value, selects the next set of rows and average the corresponding values etc. The data below illustrates what I want to do. Given two columns (day and value), I want to... (2 Replies)
Discussion started by: Muhammad Rahiz
2 Replies

4. Shell Programming and Scripting

Averaging in increments using awk & head/tail

Hi, I only have a very limited understanding and experience with writing code and I was hoping I could get some help. I have a dataset of two columns (txt format, numbers in each row separated by a tab) Eg. 1 5 2 5 3 6 4 7 5 6 6 6 7 ... (5 Replies)
Discussion started by: Emred_Skye
5 Replies

5. Shell Programming and Scripting

Averaging data every 30 mins using AWK

A happy Monday to you all, I have a .csv file which contains data taken every 5 seconds. I want to average these 5 second data points into 30 minute averages! date co2 25/06/2011 08:04 8.31 25/06/2011 08:04 8.32 25/06/2011 08:04 8.33... (18 Replies)
Discussion started by: gd9629
18 Replies

6. Shell Programming and Scripting

Hourly averaging using Awk

Hey all, I have a set of 5-second data as shown below. I need to find an hourly average of this data. date co2 25/06/2011 08:04:00 8.30 25/06/2011 08:04:05 8.31 25/06/2011 08:04:10 8.32 25/06/2011 08:04:15 8.33 25/06/2011 08:04:20 ... (5 Replies)
Discussion started by: gd9629
5 Replies

7. Shell Programming and Scripting

Averaging help in awk

Hi all, I have a data file like below, where Time is in the second column DATE TIME FRAC_DAYS_SINCE_JAN1 2011-06-25 08:03:20.000 175.33564815 2011-06-25 08:03:25.000 175.33570602... (10 Replies)
Discussion started by: gd9629
10 Replies

8. Shell Programming and Scripting

Averaging 3 files with multiple rows

Hi, I am trying to average the values from 3 files with the same format. They are very large files so I will describe the file and show some it of. Basically the file has 83 columns (with nearly 7000 rows). The first three columns are the same for each file while the remaining 80 are values that... (1 Reply)
Discussion started by: kylle345
1 Replies

9. Shell Programming and Scripting

Loop for row-wise averaging of multiple files using awk

Hello all, I need to compute a row-wise average of files with a single column based on the pattern of the filenames. I really appreciate any help on this. it would just be very difficult to do them manually as the rows are mounting to 100,000 lines. the filenames are as below with convention as... (2 Replies)
Discussion started by: ida1215
2 Replies

10. Shell Programming and Scripting

How to perform averaging of values for particular timestamp using awk or anythoing else??

I have a file of the form. 16:00:26,83.33 16:05:26,83.33 16:10:26,83.33 16:15:26,83.33 16:20:26,90.26 16:25:26,83.33 16:30:26,83.33 17:00:26,83.33 17:05:26,83.33 17:10:26,83.33 17:15:26,83.33 17:20:26,90.26 17:25:26,83.33 17:30:26,83.33 For the timestamp 16:00:00 to 16:55:00, I need to... (5 Replies)
Discussion started by: Saidul
5 Replies
pfscut(1)						      General Commands Manual							 pfscut(1)

NAME
pfscut - Extract a rectangle out of a frame in PFS stream SYNOPSIS
pfscut [--left <columns>] [--right <columns>] [--top <rows>] [--bottom <rows>] [--width <new_width>] [--height <new_height>] [--help] [x_ul y_ul x_br y_br] DESCRIPTION
Extract a rectangle out of each frame in PFS stream. You can either specify x and y coordinates of upper left and lower right corner (the coordinates start with 0 and rise in the left-to-right and up-to-botton directions) or give a combination of the options listed below. OPTIONS
--left <columns>, -l <columns> Number of columns to be cut out from the left edge of an image. --right <columns>, -r <columns> Number of columns to be cut out from the right edge of an image. --top <rows>, -t <rows> Number of rows to be cut out from the top edge of an image. --bottom <rows>, -b <rows> Number of rows to be cut out from the bottom edge of an image. --width <new_width>, -W <new_width> Width of an output image. Note that --width can be mixed with either --left or --right option. --height <new_height>, -H <new_height> Height of an output image. Note that --height can be mixed with either --top or --bottom option. --help, -h Print a list of commandline options. EXAMPLES
pfsin image.hdr | pfscut --left 20 --top 5 | pfsout out.hdr Cut out 20 columns from the left and 5 rows from the top edge of image.hdr and save frame as out.hdr. pfsin image.hdr | pfscut --left 20 --width 400 | pfsout out.hdr Cut out 20 columns from the left edge of image.hdr, and create output image 400 pixels in width. pfsin image.hdr | pfscut 0 0 511 511 | pfsout out.hdr Cut left-upper part of the image of the size 512x512 (note that coordinates start with 0 and 512 is the last row/column that is included in the resulting image). SEE ALSO pfsin(1) pfsout(1) BUGS
Please report bugs and comments to Dorota Zdrojewska <dzdrojewska@wi.ps.pl>. pfscut(1)
All times are GMT -4. The time now is 01:09 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy