30:T1700,data=[ { "yards": 55, "good": "N" }, { "yards": 40, "good": "N" }, { "yards": 41, "good": "N" }, { "yards": 50, "good": "N" }, { "yards": 45, "good": "N" }, { "yards": 51, "good": "N" }, { "yards": 62, "good": "N" }, { "yards": 51, "good": "N" }, { "yards": 50, "good": "N" }, { "yards": 51, "good": "N" }, { "yards": 42, "good": "N" }, { "yards": 28, "good": "N" }, { "yards": 38, "good": "N" }, { "yards": 41, "good": "N" }, { "yards": 52, "good": "N" }, { "yards": 52, "good": "N" }, { "yards": 48, "good": "N" }, { "yards": 34, "good": "N" }, { "yards": 30, "good": "N" }, { "yards": 42, "good": "N" }, { "yards": 52, "good": "N" }, { "yards": 47, "good": "N" }, { "yards": 44, "good": "N" }, { "yards": 34, "good": "N" }, { "yards": 45, "good": "N" }, { "yards": 63, "good": "N" }, { "yards": 52, "good": "N" }, { "yards": 42, "good": "N" }, { "yards": 46, "good": "N" }, { "yards": 48, "good": "N" }, { "yards": 52, "good": "N" }, { "yards": 48, "good": "N" }, { "yards": 56, "good": "N" }, { "yards": 50, "good": "N" }, { "yards": 49, "good": "N" }, { "yards": 48, "good": "N" }, { "yards": 55, "good": "N" }, { "yards": 52, "good": "N" }, { "yards": 48, "good": "N" }, { "yards": 54, "good": "N" }, { "yards": 40, "good": "N" }, { "yards": 40, "good": "N" }, { "yards": 43, "good": "N" }, { "yards": 53, "good": "N" }, { "yards": 51, "good": "N" }, { "yards": 40, "good": "N" }, { "yards": 42, "good": "N" }, { "yards": 45, "good": "N" }, { "yards": 46, "good": "N" }, { "yards": 38, "good": "N" }, { "yards": 39, "good": "N" }, { "yards": 54, "good": "N" }, { "yards": 53, "good": "N" }, { "yards": 48, "good": "N" }, { "yards": 32, "good": "N" }, { "yards": 48, "good": "N" }, { "yards": 65, "good": "N" }, { "yards": 53, "good": "N" }, { "yards": 52, "good": "N" }, { "yards": 57, "good": "N" }, { "yards": 54, "good": "N" }, { "yards": 37, "good": "N" }, { "yards": 43, "good": "N" }, { "yards": 45, "good": "N" }, { "yards": 36, "good": "N" }, { "yards": 47, "good": "N" }, { "yards": 56, "good": "N" }, { "yards": 58, "good": "N" }, { "yards": 46, "good": "N" }, { "yards": 42, "good": "N" }, { "yards": 33, "good": "Y" }, { "yards": 50, "good": "Y" }, { "yards": 56, "good": "Y" }, { "yards": 48, "good": "Y" }, { "yards": 37, "good": "Y" }, { "yards": 50, "good": "Y" }, { "yards": 33, "good": "Y" }, { "yards": 52, "good": "Y" }, { "yards": 37, "good": "Y" }, { "yards": 29, "good": "Y" }, { "yards": 45, "good": "Y" }, { "yards": 50, "good": "Y" }, { "yards": 30, "good": "Y" }, { "yards": 49, "good": "Y" }, { "yards": 24, "good": "Y" }, { "yards": 37, "good": "Y" }, { "yards": 47, "good": "Y" }, { "yards": 36, "good": "Y" }, { "yards": 47, "good": "Y" }, { "yards": 26, "good": "Y" }, { "yards": 19, "good": "Y" }, { "yards": 27, "good": "Y" }, { "yards": 45, "good": "Y" }, { "yards": 22, "good": "Y" }, { "yards": 21, "good": "Y" }, { "yards": 26, "good": "Y" }, { "yards": 34, "good": "Y" }, { "yards": 29, "good": "Y" }, { "yards": 45, "good": "Y" }, { "yards": 35, "good": "Y" }, { "yards": 44, "good": "Y" }, { "yards": 35, "good": "Y" }, { "yards": 36, "good": "Y" }, { "yards": 53, "good": "Y" }, { "yards": 46, "good": "Y" }, { "yards": 25, "good": "Y" }, { "yards": 33, "good": "Y" }, { "yards": 49, "good": "Y" }, { "yards": 20, "good": "Y" }, { "yards": 48, "good": "Y" }, { "yards": 36, "good": "Y" }, { "yards": 35, "good": "Y" }, { "yards": 42, "good": "Y" }, { "yards": 28, "good": "Y" }, { "yards": 23, "good": "Y" }, { "yards": 31, "good": "Y" }, { "yards": 48, "good": "Y" }, { "yards": 24, "good": "Y" }, { "yards": 31, "good": "Y" }, { "yards": 44, "good": "Y" }, { "yards": 47, "good": "Y" }, { "yards": 35, "good": "Y" }, { "yards": 44, "good": "Y" }, { "yards": 41, "good": "Y" }, { "yards": 41, "good": "Y" }, { "yards": 41, "good": "Y" }, { "yards": 25, "good": "Y" }, { "yards": 26, "good": "Y" }, { "yards": 40, "good": "Y" }, { "yards": 30, "good": "Y" }, { "yards": 21, "good": "Y" }, { "yards": 35, "good": "Y" }, { "yards": 35, "good": "Y" }, { "yards": 38, "good": "Y" }, { "yards": 49, "good": "Y" }, { "yards": 32, "good": "Y" }, { "yards": 35, "good": "Y" }, { "yards": 24, "good": "Y" }, { "yards": 28, "good": "Y" }, { "yards": 42, "good": "Y" } ] 31:[] 2e:{"title":"Confusion Matrix","cells":[{"id":0,"value":"md`# Confusion Matrix\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":131,"value":"{\nconst circles = vl.markCircle()\n.data(dataMod)\n.encode(\n vl.x().fieldQ('yards'),\n vl.y().fieldQ('good'),\n vl.color().fieldN('good').scale({range:['red','green']})\n)\nconst line = vl.markLine({})\n.data([{yards:t,good:0},{yards:t,good:1}])\n.encode(\n vl.x().fieldQ('yards'),\n vl.y().fieldQ('good')\n)\nreturn vl.layer(circles,line).render()\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":157,"value":"viewof t=slider({min:0,max:65,step:1})","pinned":false,"hidden":false,"mode":"ojs"},{"id":190,"value":"html`\n\n\n\n\n\n\nError Rate = ${Math.round(100*(fn+fp)/140)/100}
\nTrue Positive Rate = ${Math.round(100*(tp)/70)/100}
\nFalse Positive Rate = ${Math.round(100*(fp)/70)/100}
\nTrue Negative Rate = ${Math.round(100*(tn)/70)/100}
\nPrecision = ${Math.round(100*(tp)/(fp+tp))/100}
\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":38,"value":"md`\n---\n## Appendix\n`","pinned":false,"hidden":false,"mode":"ojs"},{"id":56,"value":"import {printTable} from '@uwdata/data-utilities'","pinned":false,"hidden":false,"mode":"ojs"},{"id":61,"value":"import {vl} from '@vega/vega-lite-api'","pinned":false,"hidden":false,"mode":"ojs"},{"id":63,"value":"import {slider,button,select,text,radio,checkbox,number} from \"@jashkenas/inputs\"","pinned":false,"hidden":false,"mode":"ojs"},{"id":121,"value":"$30","pinned":false,"hidden":false,"mode":"ojs"},{"id":126,"value":"dataMod = data.map(d=>({yards:d.yards,good:d.good=='Y'?1:0}))","pinned":false,"hidden":false,"mode":"ojs"},{"id":161,"value":"fn = {\nconst fn=dataMod.map(d=>d.good==\"1\" && d.yards > t ? 1:0)\nreturn fn.reduce((a,b)=>a+b)\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":169,"value":"fp = {\nconst fn=dataMod.map(d=>d.good==\"0\" && d.yards <= t ? 1:0)\nreturn fn.reduce((a,b)=>a+b)\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":199,"value":"tn = {\nconst fn=dataMod.map(d=>d.good==\"0\" && d.yards > t ? 1:0)\nreturn fn.reduce((a,b)=>a+b)\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":201,"value":"tp = {\nconst fn=dataMod.map(d=>d.good==\"1\" && d.yards <= t ? 1:0)\nreturn fn.reduce((a,b)=>a+b)\n}","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W31","stdlib":"1","titling":"auto"}

n=140	Predicted:NO	Predicted:YES
Actual:NO	TN=${tn}	FP=${fp}	${tn+fp}
Actual:YES	FN=${fn}	TP=${tp}	${fn+tp}
	${tn+fn}	${fp+tp}