[Scilab-users] finding similar values with scilab
samaelkreutz
mariajovera at icloud.com
Fri Feb 21 06:18:14 CET 2014
Hello!!! I have a big question !
I have a biiiiiiiiiiig data archive with text files with the form:
18.87 2.6 0.00545558
19.98 2.6 0.00225349
18.87 2.6 0.00405905
13.32 2.6 0.01338288
19.98 2.6 0.01537532
18.87 2.6 0.00481375
19.98 2.6 0.00936207
12.21 2.6 0.00558517
I need eliminate extreme values, for example: If I plot a random text file
I obtain a image like this:
<http://mailinglists.scilab.org/file/n4028792/Captura_de_pantalla_2014-02-21_a_la%28s%29_2.07.54.png>
As you can see theres points extremes. If i make a zoom
DN=find(DM(:,3)<=0.0001 & DM(:,3)>=0.00002 )
dn=DM(DN,:)
figure(2)
plot(dn(:,1),dn(:,3),'O')
I have this picture
<http://mailinglists.scilab.org/file/n4028792/Captura_de_pantalla_2014-02-21_a_la%28s%29_2.10.56.png>
My question is: Has scilab a command that can help me to find the "dense
data" , I mean find all the values that are similar. I ask this cause I have
about 20,000 text files and is imposible for me make "artesal zoms".
Please any suggestion, answer going to help me.
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