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Top Forums UNIX for Dummies Questions & Answers Finding data value that contains x% of points Post 302743825 by Corona688 on Thursday 13th of December 2012 11:34:35 AM
Old 12-13-2012
Your data doesn't seem to have a normal distribution.

There's a much more obvious way anyway, don't know why it didn't occur to me before Smilie Sort it, then look past the % number of lines you want for the threshold.

Code:
sort -n data > sorted

awk 'NR==FNR { N++; next } FNR > (.8*N) { print $1 ; exit }' sorted sorted

rm -f sorted

This User Gave Thanks to Corona688 For This Post:
 

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dlamrg.f(3)							      LAPACK							       dlamrg.f(3)

NAME
dlamrg.f - SYNOPSIS
Functions/Subroutines subroutine dlamrg (N1, N2, A, DTRD1, DTRD2, INDEX) DLAMRG creates a permutation list to merge the entries of two independently sorted sets into a single set sorted in ascending order. Function/Subroutine Documentation subroutine dlamrg (integerN1, integerN2, double precision, dimension( * )A, integerDTRD1, integerDTRD2, integer, dimension( * )INDEX) DLAMRG creates a permutation list to merge the entries of two independently sorted sets into a single set sorted in ascending order. Purpose: DLAMRG will create a permutation list which will merge the elements of A (which is composed of two independently sorted sets) into a single set which is sorted in ascending order. Parameters: N1 N1 is INTEGER N2 N2 is INTEGER These arguements contain the respective lengths of the two sorted lists to be merged. A A is DOUBLE PRECISION array, dimension (N1+N2) The first N1 elements of A contain a list of numbers which are sorted in either ascending or descending order. Likewise for the final N2 elements. DTRD1 DTRD1 is INTEGER DTRD2 DTRD2 is INTEGER These are the strides to be taken through the array A. Allowable strides are 1 and -1. They indicate whether a subset of A is sorted in ascending (DTRDx = 1) or descending (DTRDx = -1) order. INDEX INDEX is INTEGER array, dimension (N1+N2) On exit this array will contain a permutation such that if B( I ) = A( INDEX( I ) ) for I=1,N1+N2, then B will be sorted in ascending order. Author: Univ. of Tennessee Univ. of California Berkeley Univ. of Colorado Denver NAG Ltd. Date: September 2012 Definition at line 100 of file dlamrg.f. Author Generated automatically by Doxygen for LAPACK from the source code. Version 3.4.2 Tue Sep 25 2012 dlamrg.f(3)
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