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Edgars
17
Edgars 2014.02.14 07:52 

I have csv file like this:

1392249600;EUR;CHF;USD;JPY;GBP
1392163200;GBP;JPY;USD;CHF;EUR
1392076800;GBP;CHF;EUR;JPY;USD
1391990400;JPY;USD;EUR;CHF;GBP
1391904000;GBP;EUR;CHF;USD;JPY
1391731200;GBP;EUR;CHF;JPY;USD
1391644800;EUR;CHF;USD;JPY;GBP
1391558400;JPY;USD;EUR;CHF;GBP

There can be over 15 000 rows in that file. I am trying to write code that could do such thing:

1.Takes first row saves it as parent. Then takes next 3 days as that childs.

2.Counts how often and which combination off childs with that parent are inside this file.

3.It creates something like summary for that so I could read todays combination and script shows the only the most frequent child combinations for next 3 days.

I don't have mathematical thinking so I have big problems to find solution myself.

What I think first I need script that generates all posible combinations of these colums made of EUR,CHF,USD,JPY,GBP so there is posible 5*4*3*2*1 = 120 combinations. Because they cant repeat in single row.

It will be like this.

First parent will be combination from first row like this: EUR;CHF;USD;JPY;GBP

Then 3 childs would be
  GBP;JPY;USD;CHF;EUR 
  GBP;CHF;EUR;JPY;USD
  JPY;USD;EUR;CHF;GBP

It saves this combination off parent and child elements. Then again it starts from begining of the file, but moves one row below(like iteration +1). then next all childs would be

 GBP;CHF;EUR;JPY;USD
   JPY;USD;EUR;CHF;GBP
   GBP;EUR;CHF;USD;JPY

And again it saves these combinations for counting and make some frequency results. And this cycle repeats for all rows on csv file.

Is there maybe some tips I should consider how to create this type of programm ?

Any tip would be great !

Thank You Very Much! BB

Alain Verleyen
Moderator
28627
Alain Verleyen 2014.02.14 10:34  

Hi,

Can you show what you have tried so far ?

Edgars
17
Edgars 2014.02.14 11:07  
angevoyageur:

Hi,

Can you show what you have tried so far ?


I haven't tried put to work some code, I am just trying to understand what things I should consider. So planning is the key. :)
Alain Verleyen
Moderator
28627
Alain Verleyen 2014.02.14 18:28  
edzuks92:

I haven't tried put to work some code, I am just trying to understand what things I should consider. So planning is the key. :)
Ok, we will see if someone wants to help you...
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