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<title>Obtaining CinC Challenge 2000 Scores</title>

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        <h1 style="margin-top: 1.75em; padding-top: .4em;">Obtaining CinC Challenge 2000 Scores</h1>

    



    

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<h2>Preparing your entry</h2>



<p>

Your entry needs to be prepared in a special text format, which depends on

the event you are entering:



<ul>

<li> For event 1 (Apnea Screening), download this <a

href="template-test-1">template</a>,

and replace the '?' characters with your classifications ('A', 'B', or 'C')

for the 35 records in the test set (records x01-x35).



<li> For event 2 (Quantification of Apnea), download this <a

href="template-test-2">template</a>,

and replace the '?' characters with your annotations ('A' or 'N') for each

minute during each of the 35 records in the test set.

</ul>



<p>

There are also templates for submitting results from the training set (records

a01-a20, b01-b05, and c01-c10) for <a

href="template-training-1">event 1</a>

and <a

href="template-training-2">event

2</a>, so that you can obtain unofficial scores for these records as well.

Awards will be made on the basis of results from the test set (records x01-x35)

only.



<p>

If you have prepared annotation files in the same format as the <tt>*.apn</tt>

files provided with the training set, you can download this <a

href="distill.c">program</a>

(in C source form, to be compiled with the <a href="/physiotools/wfdb.shtml">

WFDB library</a>) that can convert them to the format of either of these

templates.



<h2>Submitting your entry for scoring</h2>



<p>

Please double-check your entry before submitting it to be sure it is in

<strong>plain text</strong> format, exactly like the template files.

<em>HTML-formatted entries will confuse the automated scorer and will not be

scored.</em>



<p>

To submit your entry successfully, you will need:



<ul> 

<li> A web browser that supports HTTP uploads, such as Netscape 2.0 or

 later, or MS Internet Explorer 4.0 or later.



<li> A valid e-mail address that is known to us.  Please

 <a href="/register.shtml">sign in</a> before submitting your entry.

 (If you signed in on a previous visit, you do not need to sign in again.)

 All entries are logged by date, time, and the e-mail address of the

 entrant.



 <p>

 <b>Important:</b>  Your score will be sent by e-mail to the address you

 specify.  Please be sure that your e-mail address is entered correctly,

 or you won't be able to view your score.



<li> A password.  If you don't yet have a password, or if you

 have forgotten your password, go to the entry form (see below), fill

 in only your e-mail address, click on the "Get password" button, and a

 password will be sent to your e-mail address immediately.

</ul>



<p>

After filling in your e-mail address and password on the 

<a>entry form [link disabled]</a>,

enter the name of the file that contains your correctly-formatted entry

(you may use the <b>Browse</b> button to find it), indicate which

event you wish to enter, which data set you are submitting results for,

and click on <b>Upload entry</b>.



<p>

(If you wish to enter both events, you may do so, but you will need to

submit your entry twice, once in each format, in this case.)



<h2>Notes</h2>

<p>

If you are tempted to try submitting many entries in order to learn about

the correct classifications, why not <a

href="http://www.lizardpoint.com/fun/mastermind/mastmind.html"

target="other">play MasterMind instead?</a>  Delivery of your score may be

delayed if you submit more than one entry per event per day.



<p>

UNIX versions of Netscape, and possibly other browsers, will allow the

user to specify a directory name in the <b>File to upload</b> field of the

entry form, but the browser will not transmit anything in this case and will

hang until the user interrupts it by clicking on <b>Stop</b>.  This behavior

is a bug in the browser and cannot be detected or avoided by the PhysioNet web

server.  Other browsers will detect and disallow attempts to upload

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