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data smoothing!

THIERRYPPTHIERRYPP Posts: 33Member
DEAR READER,

I would be grateful if you could provide me a link, a library, or a model
dealing with data smoothing of a serie of data acquisition.

======> THE PROBLEM: I get a dat acquisition table in *.txt format; 4
entries,
the first one being time (in 1/3 second) and the third column variable of data
of interest! ( actually, as a first step we need to act a "data
smoothing" of
the values of this third column in ( C++,...other software), as all the packages available cannot be
reliable until now for a correct data smoothing. Note: all these values are
positives, flat for a first part, then decreasing to a plateau and then a
recovery, versus time.

Also, the first 4 lines must be erased as they contain only characters as " reset "......."stopped"........


I thank you for any help or suggestion that you could provide.

Sincerely,

Comments

  • alan_pollockalan_pollock Posts: 110Member
    : DEAR READER,
    :
    : I would be grateful if you could provide me a link, a library, or a model
    : dealing with data smoothing of a serie of data acquisition.
    :
    : ======> THE PROBLEM: I get a dat acquisition table in *.txt format; 4
    : entries,
    : the first one being time (in 1/3 second) and the third column variable of data
    : of interest! ( actually, as a first step we need to act a "data
    : smoothing" of
    : the values of this third column in ( C++,...other software), as all the packages available cannot be
    : reliable until now for a correct data smoothing. Note: all these values are
    : positives, flat for a first part, then decreasing to a plateau and then a
    : recovery, versus time.
    :
    : Also, the first 4 lines must be erased as they contain only characters as " reset "......."stopped"........
    :
    :
    : I thank you for any help or suggestion that you could provide.
    :
    : Sincerely,
    :
    :


    Here's a few links:
    http://www.mrc-cbu.cam.ac.uk/Imaging/smoothing.html
    http://www.vanguardsw.com/dphelp/dph00161.htm
    http://lamar.colostate.edu/~pburns/wed/lab.smooth.fm.html
    http://www.wolfram.com/solutions/statistics/functions/functions_smoothing.html

    To find more links, enter "data smoothing" in a search engine. It would help to know what type of data it was. What is it you're trying to do?

  • THIERRYPPTHIERRYPP Posts: 33Member

    Dear Sir,

    well,

    Here is my e-mail: thierrypp@hotmail.com

    I can send you a typical exchange.

    It is in fact a several columns of data and the data smoothing concerns only one column!
    Even by using Mathematica it is not so obvious as some I need to treat these data in an exe file from the data acquisition in *.dat format and excel cannot be used. All the values are positives, increasing, and sometimes at a random frequency you have a jump of more than 25 %, thus a kind of noise leading to an extreme difficult treatment for a fitting as some parameters have to be evaluated.

    I will have a look on your suggestions.

    Sincerely

    THIERRYPP

    : : DEAR READER,
    : :
    : : I would be grateful if you could provide me a link, a library, or a model
    : : dealing with data smoothing of a serie of data acquisition.
    : :
    : : ======> THE PROBLEM: I get a dat acquisition table in *.txt format; 4
    : : entries,
    : : the first one being time (in 1/3 second) and the third column variable of data
    : : of interest! ( actually, as a first step we need to act a "data
    : : smoothing" of
    : : the values of this third column in ( C++,...other software), as all the packages available cannot be
    : : reliable until now for a correct data smoothing. Note: all these values are
    : : positives, flat for a first part, then decreasing to a plateau and then a
    : : recovery, versus time.
    : :
    : : Also, the first 4 lines must be erased as they contain only characters as " reset "......."stopped"........
    : :
    : :
    : : I thank you for any help or suggestion that you could provide.
    : :
    : : Sincerely,
    : :
    : :
    :
    :
    : Here's a few links:
    : http://www.mrc-cbu.cam.ac.uk/Imaging/smoothing.html
    : http://www.vanguardsw.com/dphelp/dph00161.htm
    : http://lamar.colostate.edu/~pburns/wed/lab.smooth.fm.html
    : http://www.wolfram.com/solutions/statistics/functions/functions_smoothing.html
    :
    : To find more links, enter "data smoothing" in a search engine. It would help to know what type of data it was. What is it you're trying to do?
    :
    :

  • alan_pollockalan_pollock Posts: 110Member
    Very well, I will email you.

    Alan

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