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"Confidence and Prediction all the same"

User: "nelze"
New Altair Community Member
Updated by Jocelyn
Good day! I'm trying to read an excel file (using the Read Excel operator) in RapidMiner, but when I look at the results, the confidence and prediction are all the same values. However, when I use a CSV file (using the Read CSV operator) as the unlabeled data, it seems to predict it properly. The CSV file and the EXCEL file are both the same data, just in different formats, so I don't understand why the Excel version would give strange results. Could I have missed a setting or something? Any help will be appreciated.

Thank you very much!

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    User: "Marco_Boeck"
    New Altair Community Member
    Hi,

    to see whether your setup of Read Excel and Read CSV produces identical output, you could store the output of each one (using the Store operator) and then open both stored example sets and compare them.

    Regards,
    Marco
    User: "nelze"
    New Altair Community Member
    OP
    Oh I'm sorry, what I mean by prediction being the same, I mean this:

    Correct Prediction (using CSV), I have 4 confidence values because I am predicting 4 classes. The last column is the prediction:

    0.8860144466097823 0.0 0.11398555339021778 3.0815034919635467E-19 1
    0.6143980539313239 0.0 0.38560110537192616 8.406967499335851E-7 1
    0.9859569967284759 0.0 0.014043003271520669 3.459433208878122E-15 1
    0.4719509186438967 0.0 0.5270853842058498 9.636971502535191E-4 3
    0.9837738580587952 0.0 0.01622614194120045 4.405660458971408E-15 1
    0.9967563332443505 0.0 0.0032436667556495755 5.2553155952136636E-23 1
    0.5759288037256314 0.0 0.42400890432723454 6.229194713409175E-5 1
    0.9787821737511498 0.0 0.02121668285668769 1.1433921625919423E-6 1
    0.9996751702426111 0.0 3.248297573889029E-4 1.4578020956211202E-18 1
    0.8411716684610979 0.0 0.15878491911697307 4.341242192905734E-5 1
    0.17253194445660552 0.0 0.1644529101772081 0.6630151453661863 4
    0.18095747514120386 0.0 0.08592915193222532 0.7331133729265707 4

    When I use an excel file (same file as CSV, just changed format. As in I just opened the same CSV file with the unlabeled data and save as excel):

    1 0 0 0 1
    1 0 0 0 1
    1 0 0 0 1
    1 0 0 0 1
    1 0 0 0 1
    .....

    All the other rows have the same confidence and prediction, which is very strange.
    User: "nelze"
    New Altair Community Member
    OP
    I also get this in the log

    The value types between training and application differ for attribute 'K', training: real, application: integer

    What can I do with that? Sometimes the number is a decimal but sometimes it is an integer.