题目内容
As Professor Guttag said, there are two types of people in this world: those who know programming and those who don’t. To prove this once and for all, you take a random sampling of edX students and put them through a programming test. Assume that the test is entirely fair and that it reflects the exact level of skill each student has. You also ask them to fill out a small questionnaire about their experience with 6.00.2x.You receive the results for each student as [Exam grade, Hour spent on 6.00.2x]. That is, if Alice has spent 90 hours on 6.00.2x and received a score of 74 on the exam, you will have [74, 90] as a data point.1. Based on your initial purposes, what should you choose as k?
查看答案
搜索结果不匹配？点我反馈
更多问题
4. The angle of refraction of light (degree that light bends) observed when entering water vs. glass vs a diamond.
3. The percent concentration of a virus in a random sampling of healthy and unhealthy people.
2. One feature set is the number of detected earthquakes in a city and the other is the population in that city.
For each of the following situations state whether it would be a good idea to scale the features.1. One feature set is height (in meters) and the other is weight (in kilograms).
微信支付 
支付宝支付