40:null 41:["$","title",null,{"children":"Logistic Regression Quiz | Gwennyth Melvin's Workspace | Observable"}] 47:[] 45:{"id":"4ecf137de29b961c","slug":null,"title":"Logistic Regression Quiz","thumbnail":"ea3592f76679a5f3022161223edaf56ff782a5870d7aaa44ba5357c0d6043e74","access_level":"public","create_time":"$D2023-10-05T12:07:31.840Z","update_time":"$D2023-10-05T12:09:26.849Z","view_time":null,"first_public_time":"$D2023-10-05T12:07:31.840Z","has_unpublished_edits":null,"fork":{"id":"fcca06abb5fd27db","slug":null,"title":"Logistic Regression","owner":{"id":"0a54ca9c65d05895","login":"gwennyth-melvin-ws","name":"Gwennyth Melvin's Workspace"}},"stars":0,"starred":false,"owner":{"type":"team","id":"0a54ca9c65d05895","login":"gwennyth-melvin-ws","name":"Gwennyth Melvin's Workspace","avatar_url":"https://avatars-next.observableusercontent.com/056cc5c99803c028db2d3ce53e3250fe6d931299c17df2f8bd1d67cbeee185d5","tier":"starter_2024","bio":"","following":false},"version":176,"publish_version":null,"role":null,"authored":false,"authors":[{"type":"individual","id":"63807ceead5e218f","login":"gwennyth-melvin","name":"Gwennyth Melvin","avatar_url":"https://avatars-next.observableusercontent.com/8249abe263fde5ff1d00d97b572238491626d5e13f6c2a567ba2d9fe0f1a1a4f","tier":null,"bio":"","following":false}],"members":[{"type":"individual","id":"63807ceead5e218f","login":"gwennyth-melvin","name":"Gwennyth Melvin","avatar_url":"https://avatars-next.observableusercontent.com/8249abe263fde5ff1d00d97b572238491626d5e13f6c2a567ba2d9fe0f1a1a4f","tier":null,"role":"editor"},{"type":"team","id":"0a54ca9c65d05895","login":"gwennyth-melvin-ws","name":"Gwennyth Melvin's Workspace","avatar_url":"https://avatars-next.observableusercontent.com/056cc5c99803c028db2d3ce53e3250fe6d931299c17df2f8bd1d67cbeee185d5","tier":"starter_2024","role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"titling":"auto","title":"Logistic Regression Quiz","cells":[{"id":0,"value":"# Logistic Regression Quiz","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":136,"value":"viewof threshold = Inputs.range([0,50],{step:1})","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":164,"value":"### Confusion matrix ","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":160,"value":"html`\n\n \n \n \n\n \n \n \n\n \n \n \n\n

	Predicted Negative	Predicted Positive
Actual Positive	${falseNegatives}	${truePositives}
Actual Negative	${trueNegatives}	${falsePositives}

\n\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":5,"value":"Plot.plot({\n x:{domain:[0,150]},\n y:{domain:[0,1]},\n marks:[\n Plot.ruleX([0]),\n Plot.ruleY([0]),\n Plot.dot(Xblue,{x:Xblue,y:Yblue,fill:\"blue\",r:5}),\n Plot.dot(Xred,{x:Xred,y:Yred,fill:\"red\",r:5}),\n Plot.line([[threshold,0],[threshold,1]],{strokeDasharray:\"5,5\"})\n ]\n})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":143,"value":"### Positives and Negatives","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":145,"value":"trueNegatives = Xblue.filter(x => x <= threshold).length // lists how many points are left of the line; true negatives","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":149,"value":"falsePositives = Xblue.filter(x => x > threshold).length","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":154,"value":"falseNegatives = Xred.filter(x => x <= threshold).length","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":157,"value":"truePositives = Xred.filter(x => x > threshold).length","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":132,"value":"### Data","pinned":false,"hidden":false,"mode":"md","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"","database":"$undefined"},{"id":124,"value":"Xblue = [11.919806899663882, 67.38569928780174, 47.67124597336016, 8.98418291036808, 11.98311053566577, 28.43679772934751, 36.31998921806501, 10.756617414093848, 48.14293896659028, 58.19320370760604, 42.194545231306996, 74.33126429129561, 32.09728425568774, 38.96195610002197, 60.45240973953678, 17.363752905759277, 27.176396633373674, 0.3388075817705144, 9.71614103969326, 12.194205150555634]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":126,"value":"Xred = [77.76665070149525, 99.58901671951939, 48.322537140757866, 72.7873040305293, 95.02992925378214, 78.03534014148227, 82.52778235139439, 96.18334945563683, 70.44876284552433, 64.87065001332888, 88.78977005190733, 27.22201530487173, 42.1193760910118, 75.81780681132818, 72.27317661902134, 59.67716751288206, 64.26634128696611, 50.00355760728954, 91.68400213498957, 39.51019095462547]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":127,"value":"Yblue = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":129,"value":"Yred = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]","pinned":true,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","tool":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W47","stdlib":"1"}} 46:"$45:body"