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{
"compare": {
"fromid": 1,
"fromrevid": 1,
"fromns": 0,
"fromtitle": "User Behavior",
"toid": 2,
"torevid": 2,
"tons": 0,
"totitle": "Type I and Type II Errors",
"*": "<tr><td colspan=\"2\" class=\"diff-lineno\" id=\"mw-diff-left-l1\">Line 1:</td>\n<td colspan=\"2\" class=\"diff-lineno\">Line 1:</td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div>'''See:''' [[<del class=\"diffchange diffchange-inline\">User</del>]], [[<del class=\"diffchange diffchange-inline\">Behavior</del>]], [[<del class=\"diffchange diffchange-inline\">Click</del>-<del class=\"diffchange diffchange-inline\">Through Data</del>]], [[<del class=\"diffchange diffchange-inline\">User Interface</del>]].</div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>'''See:''' [[<ins class=\"diffchange diffchange-inline\">Type I Error</ins>]], [[<ins class=\"diffchange diffchange-inline\">Type II Error</ins>]], [[<ins class=\"diffchange diffchange-inline\">Predictive Relation Performance Metric]].</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">----</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">----</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">==References ==</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">* (Wikipedia, 2009) &rArr; http://en.wikipedia.org/wiki/Type_I_and_type_II_errors</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">** In [[statistics]], the terms '''Type I error''' (also, '''\u03b1 error''', or '''false positive''') and '''type II error''' ('''\u03b2 error''', or a '''false negative''') are used to describe possible errors made in a statistical decision process. In 1928, [[Jerzy Neyman]] (1894</ins>-<ins class=\"diffchange diffchange-inline\">1981) and [[Egon Pearson</ins>]] <ins class=\"diffchange diffchange-inline\">(1895-1980)</ins>, <ins class=\"diffchange diffchange-inline\">both eminent </ins>[[<ins class=\"diffchange diffchange-inline\">statistician</ins>]]<ins class=\"diffchange diffchange-inline\">s, discussed the problems associated with "deciding whether or not a particular sample may be judged as likely to have been randomly drawn from a certain population" (1928/1967, p</ins>.<ins class=\"diffchange diffchange-inline\">1): and identified "two sources of error", namely:</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">*** Type I (\u03b1): reject the [[Null Hypothesis]] when the [[null hypothesis]] is true, and</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">*** Type II (\u03b2): fail to reject the [[Null Hypothesis]] when the [[null hypothesis]] is false</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">** In 1930, they elaborated on these two sources of error, remarking that "in testing hypotheses two considerations must be kept in view, (1) we must be able to reduce the chance of rejecting a true hypothesis to as low a value as desired; (2) the test must be so devised that it will reject the hypothesis tested when it is likely to be false"</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-deleted\"><div>----</div></td><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-added\"><div>----</div></td></tr>\n<tr><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-deleted\"><br/></td><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-added\"><br/></td></tr>\n<tr><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-deleted\"><div>__NOTOC__</div></td><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-added\"><div>__NOTOC__</div></td></tr>\n"
}
}