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Help with calculate median, first quartile, second quartile and third quartile

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Top Forums Shell Programming and Scripting Help with calculate median, first quartile, second quartile and third quartile
# 8  
Old 06-06-2011
this is what are you looking for ?
Code:
awk 'NR%4==0' filename

# 9  
Old 06-06-2011
Hi kumaran_5555,

Thanks for your script.
I thought it should be Q1= 8.6, Q2=12.2, Q3=20.65 instead of Q1= 12.2, Q2=8.6, Q3=20.65?
Thanks for verification.
# 10  
Old 06-06-2011
I have just edited the script, can you check now
# 11  
Old 06-06-2011
Code:
awk 'NR==FNR{Q1=int((NR+1)/4);Q2=int((NR+1)/2);Q3=int((NR+1)*3/4);next}
     FNR==Q1||FNR==Q2||FNR==Q3 ' infile <(sort -n infile)

This User Gave Thanks to rdcwayx For This Post:
perl_beginner
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