DEVELOPMENT...
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  mysqli::real_connect(): (HY000/2002): Connection refused</p>
<p>Filename: mysqli/mysqli_driver.php</p>
<p>Line Number: 203</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/models/Database_singleton.php<br />
			Line: 7<br />
			Function: database			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php<br />
			Line: 11<br />
			Function: model			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Database_Write_Model.php<br />
			Line: 6<br />
			Function: __construct			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Community_Model.php<br />
			Line: 8<br />
			Function: __construct			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/models/File.php<br />
			Line: 6<br />
			Function: __construct			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 8<br />
			Function: model			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  mysqli::real_connect(): (HY000/2002): Connection refused</p>
<p>Filename: mysqli/mysqli_driver.php</p>
<p>Line Number: 203</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/models/Database_singleton.php<br />
			Line: 8<br />
			Function: database			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php<br />
			Line: 11<br />
			Function: model			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Database_Write_Model.php<br />
			Line: 6<br />
			Function: __construct			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Community_Model.php<br />
			Line: 8<br />
			Function: __construct			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/models/File.php<br />
			Line: 6<br />
			Function: __construct			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 8<br />
			Function: model			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  mysqli::real_connect(): (HY000/2002): Connection refused</p>
<p>Filename: mysqli/mysqli_driver.php</p>
<p>Line Number: 203</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/models/Database_singleton.php<br />
			Line: 9<br />
			Function: database			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php<br />
			Line: 11<br />
			Function: model			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Database_Write_Model.php<br />
			Line: 6<br />
			Function: __construct			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/core/MY_Community_Model.php<br />
			Line: 8<br />
			Function: __construct			</p>

		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/models/File.php<br />
			Line: 6<br />
			Function: __construct			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 8<br />
			Function: model			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  ini_set(): Headers already sent. You cannot change the session module's ini settings at this time</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 282</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  session_set_cookie_params(): Cannot change session cookie parameters when headers already sent</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 294</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  ini_set(): Headers already sent. You cannot change the session module's ini settings at this time</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 304</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  ini_set(): Headers already sent. You cannot change the session module's ini settings at this time</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 314</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  ini_set(): Headers already sent. You cannot change the session module's ini settings at this time</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 315</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  ini_set(): Headers already sent. You cannot change the session module's ini settings at this time</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 316</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  ini_set(): Headers already sent. You cannot change the session module's ini settings at this time</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 317</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  ini_set(): Headers already sent. You cannot change the session module's ini settings at this time</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 375</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  ini_set(): Headers already sent. You cannot change the session module's ini settings at this time</p>
<p>Filename: drivers/Session_files_driver.php</p>
<p>Line Number: 108</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  session_set_save_handler(): Cannot change save handler when headers already sent</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 110</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  session_start(): Cannot start session when headers already sent</p>
<p>Filename: Session/Session.php</p>
<p>Line Number: 143</p>


	<p>Backtrace:</p>
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/libraries/Ion_auth.php<br />
			Line: 72<br />
			Function: library			</p>

		
	
		
	
		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/openml_OS/controllers/Frontend.php<br />
			Line: 41<br />
			Function: library			</p>

		
	
		
	
		
			<p style="margin-left:10px">
			File: /var/www/openml/index.php<br />
			Line: 337<br />
			Function: require_once			</p>

		
	

</div>      {
    "task_id": "7025",
    "runs": 0,
    "visibility": "public",
    "embargo_end_date": null,
    "tasktype": {
        "tt_id": 4,
        "name": "Supervised Data Stream Classification"
    },
    "date": "2015-01-01 00:00:00",
    "uploader_id": "1",
    "source_data": {
        "type": "Dataset",
        "data_id": "879",
        "name": "fri_c2_500_25"
    },
    "estimation_procedure": {
        "type": "Estimation Procedure",
        "proc_id": "15",
        "name": "Interleaved Test then Train"
    },
    "target_feature": "binaryClass",
    "target_values": [
        "P",
        "N"
    ],
    "tags": [
        {
            "tag": "under1m",
            "uploader": "1"
        }
    ],
    "collections": [],
    "suggest": {
        "input": [
            "Supervised Data Stream Classification",
            "fri_c2_500_25",
            "Interleaved Test then Train",
            "binaryClass"
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        "weight": "3"
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    "nr_of_downvotes": 0,
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}