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Help starting a script

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Top Forums Shell Programming and Scripting Help starting a script
# 1  
Old 03-01-2012
Question Help starting a script
Hi guys, i already search in this forum and i can't find a way to do this. I have a file like this:
Code:
-1    1    lig
-1    1    lig
-1    1    lig
-1    -1    dec
-1    -1    dec
-1    -1    dec
-1    -1    dec
-1    -1    dec
-1    -1    dec

And i need to compare the values of columns $1 and $2 and get a output with the results of diferences combinations, for exemple if $1=1 and $2=1 output TP, if $1=1 and $2=-1 output FP if $1=-1 and $2=1 output FN

The point is to count compare colum $1 that is a results from other script with colum $2 that is reall results and see if it is true positives, false negatives and false positives.

I already seach and im thinking using AWK with IF, but i don't know how to tell in the IF part of the script that

Code:
 if $1==1 $2==1 print TP for output.

Any ideas are wellcome thanks Smilie
# 2  
Old 03-01-2012
And if you have $1==-1 and $2==-1?
# 3  
Old 03-01-2012
Code:
#!/usr/bin/perl -w                                                                                                                    
                                                                                                                                      
@a=qw(0 0 0 0);                                                                                                                       
while(<>){                                                                                                                            
    /^(.+?)\s+(.+?)\s+/;                                                                                                              
    $a[0]++,next if($1 == 1 && $2 == 1);                                                                                              
    $a[1]++,next if($1 == 1 && $2 == -1);                                                                                             
    $a[2]++,next if($1 == -1 && $2 == 1);                                                                                             
    $a[3]++,next if($1 == -1 && $2 == -1);                                                                                            
}                                                                                                                                     
                                                                                                                                      
print"$a[0]     $a[1]   $a[2]   $a[3]\n";

syntax: ./script filename
This User Gave Thanks to For This Post:
MetaBolic0
tip78
# 4  
Old 03-01-2012
Quote:
Originally Posted by bartus11
And if you have $1==-1 and $2==-1?
Because i only need to count the number of the these ocorrences for caculate the precision and recall of my data Smilie

Code:
#!/usr/bin/perl -w                                                                                                                    
                                                                                                                                      
@a=qw(0 0 0 0);                                                                                                                       
while(<>){                                                                                                                            
    /^(.+?)\s+(.+?)\s+/;                                                                                                              
    $a[0]++,next if($1 == 1 && $2 == 1);                                                                                              
    $a[1]++,next if($1 == 1 && $2 == -1);                                                                                             
    $a[2]++,next if($1 == -1 && $2 == 1);                                                                                             
    $a[3]++,next if($1 == -1 && $2 == -1);                                                                                            
}                                                                                                                                     
                                                                                                                                      
print"$a[0]     $a[1]   $a[2]   $a[3]\n";

I was trying to do this in bash with awk because the rest of my scripts is in bash (im from Biology and im very new with bash and is the 1st linguage that im learning and i don't know how to use more)

Thanks for the fast reply
# 5  
Old 03-01-2012
Please post what the matching output from the 9 lines in the sample input in post #1 should look like.
# 6  
Old 03-01-2012
Quote:
Originally Posted by methyl
Please post what the matching output from the 9 lines in the sample input in post #1 should look like.
The aim is to count the number of occurences:
Code:
-1    1    lig -> this is a FN
-1    1    lig -> this is a FN
-1    1    lig -> this is a FN
-1    -1    dec 
-1    -1    dec
-1    -1    dec
-1    -1    dec
-1    -1    dec
-1    -1    dec

So im trying to print something like this "FN=3 TP=0 TN=0" because when $1=-1 and $2=-1 i don't need to count
Last edited by MetaBolic0; 03-02-2012 at 07:11 AM..
# 7  
Old 03-01-2012
Quote:
So im trying to print something like this "FP=3 TP=0 TN=0" because when $1=-1 and $2=-1 i don't need to count
Maybe I'm being thick but I repeat:
Please post what the matching output from the 9 lines in the sample input in post #1 should look like.
Last edited by methyl; 03-01-2012 at 09:17 PM.. Reason: various
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