https://learnlab.org/mediawiki-1.44.2/api.php?action=feedcontributions&feedformat=atom&user=Hcheng 2026-04-29T17:00:41Z User contributions MediaWiki 1.44.2 https://learnlab.org/mediawiki-1.44.2/index.php?title=KCM_Cross_Validation_Values&diff=10743 2010-05-12T20:00:11Z

<p>Hcheng: /* Notes/Comments */</p> <hr /> <div>'''Status: Prioritization Needed'''<br /> <br /> == User Story ==<br /> <br /> As a [type of user], I want to [perform some task] so that I can [achieve some goal].<br /> <br /> == Notes/Comments ==<br /> <br /> * I would like to provide DataShop with an algorithm to calculate cross validation values for each KC Model. -- Hui Cheng, 5/10/2010<br /> ** Only on KCMs with mapping type of Step-to-KC<br /> ** Need to store two numbers, the cross validation number (RMSE: decimal between 0-1) and the number of rows.<br /> ** The input for computing Cross Validation RMSE is SSSS formatted file<br /> <br /> * There are also a few changes to the current datashop interface<br /> ** Add number of parameters for BIC an AIC<br /> ** Change the way opportunity numbers are counted. This will affect Learning Curve--LFA Values.<br /> <br /> &lt;br&gt;<br /> ----<br /> See complete [[DataShop Feature Wish List]].<br /> [[Category:Protected]]<br /> [[Category:DataShop]]</div>

Hcheng https://learnlab.org/mediawiki-1.44.2/index.php?title=KCM_Cross_Validation_Values&diff=10742 2010-05-12T19:57:42Z

<p>Hcheng: /* Notes/Comments */</p> <hr /> <div>'''Status: Prioritization Needed'''<br /> <br /> == User Story ==<br /> <br /> As a [type of user], I want to [perform some task] so that I can [achieve some goal].<br /> <br /> == Notes/Comments ==<br /> <br /> * I would like to provide DataShop with an algorithm to calculate cross validation values for each KC Model. -- Hui Cheng, 5/10/2010<br /> ** Only on KCMs with mapping type of Step-to-KC<br /> ** Need to store two numbers, the cross validation number (RMSE: decimal between 0-1) and the number of rows.<br /> <br /> * There are also a few changes to the current datashop interface<br /> ** Add number of parameters for BIC an AIC<br /> ** Change the way opportunity numbers are counted. This will affect Learning Curve--LFA Values.<br /> <br /> &lt;br&gt;<br /> ----<br /> See complete [[DataShop Feature Wish List]].<br /> [[Category:Protected]]<br /> [[Category:DataShop]]</div>

Hcheng https://learnlab.org/mediawiki-1.44.2/index.php?title=KCM_Cross_Validation_Values&diff=10741 2010-05-12T19:53:26Z

<p>Hcheng: </p> <hr /> <div>'''Status: Prioritization Needed'''<br /> <br /> == User Story ==<br /> <br /> As a [type of user], I want to [perform some task] so that I can [achieve some goal].<br /> <br /> == Notes/Comments ==<br /> <br /> * I would like to provide DataShop with an algorithm to calculate cross validation values for each KC Model. -- Hui Cheng, 5/10/2010<br /> ** Only on KCMs with mapping type of Step-to-KC<br /> ** Need to store two numbers, the cross validation number (RMSE: decimal between 0-1) and the number of rows.<br /> <br /> &lt;br&gt;<br /> ----<br /> See complete [[DataShop Feature Wish List]].<br /> [[Category:Protected]]<br /> [[Category:DataShop]]</div>

Hcheng