tag:blogger.com,1999:blog-4925159124120434624.post6661547137363290487..comments2024-03-25T13:07:17.997+05:30Comments on APDaga DumpBox : The Thirst for Learning...: Coursera: Machine Learning (Week 9) Quiz - Recommender Systems | Andrew NGAkshay Daga (APDaga)http://www.blogger.com/profile/04899846959607912677noreply@blogger.comBlogger10125tag:blogger.com,1999:blog-4925159124120434624.post-79229468100023386372020-11-10T04:23:24.944+05:302020-11-10T04:23:24.944+05:30Hi, the 'unknown 'has posted the choices b...Hi, the 'unknown 'has posted the choices below on sep 2020 post. The choices have theta Transpose x-y Rumshttps://www.blogger.com/profile/04527973722705033391noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-59962907048639927092020-11-09T16:04:25.305+05:302020-11-09T16:04:25.305+05:30@Rums Please post the question and choices you got...@Rums Please post the question and choices you got in your exam. I will update it here. It will be a great help for others as well.Akshay Daga (APDaga)https://www.blogger.com/profile/04899846959607912677noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-48185532092305788212020-11-09T02:39:21.660+05:302020-11-09T02:39:21.660+05:30I too got the theta Transpose choices. Which isnt ...I too got the theta Transpose choices. Which isnt in your Q1 list. Rumshttps://www.blogger.com/profile/04527973722705033391noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-62060153927358079592020-10-02T07:49:02.690+05:302020-10-02T07:49:02.690+05:30Hie would you help me with Java programming : buil...Hie would you help me with Java programming : build a recommendation system quiz answers please.<br /><br />henzitek@gmail.comassassinhttps://www.blogger.com/profile/07655472894123153831noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-4623917227316205262020-09-24T16:35:23.671+05:302020-09-24T16:35:23.671+05:30Thank you very much for your help.
I have updated/...Thank you very much for your help.<br />I have updated/added the options for Q2 & Q4.<br />But Q1 in above post and in your doc is same. I couldn't find any difference.<br />If there is any, please tell me.Akshay Daga (APDaga)https://www.blogger.com/profile/04899846959607912677noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-22137820928550074472020-09-19T00:39:00.377+05:302020-09-19T00:39:00.377+05:30Was sent yesterday.Was sent yesterday.Anonymoushttps://www.blogger.com/profile/08094958650910748747noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-38663149156009010572020-09-17T12:06:37.258+05:302020-09-17T12:06:37.258+05:30I could email you doc file with the another correc...I could email you doc file with the another correct options. Posting them here does not look well.Anonymoushttps://www.blogger.com/profile/08094958650910748747noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-3240417185929387152020-09-17T12:04:22.448+05:302020-09-17T12:04:22.448+05:30Q1:
1 point
\frac{1}{m} \sum_{(i,j):r(i,j)=1} ((...Q1:<br />1 point<br /> <br />\frac{1}{m} \sum_{(i,j):r(i,j)=1} ((\theta^{(j)})^T x^{(i)} - y^{(i,j)} )^2m1∑(i,j):r(i,j)=1((θ(j))Tx(i)−y(i,j))2<br /> <br />\frac{1}{m} \sum_{j=1}^{n_u} \sum_{i:r(i,j)=1} (\sum_{k=1}^n (\theta^{(k)})_j x^{(k)}_i - y^{(i,j)} )^2m1∑j=1nu∑i:r(i,j)=1(∑k=1n(θ(k))jxi(k)−y(i,j))2<br /> <br />\frac{1}{m} \sum_{(i,j):r(i,j)=1} ((\theta^{(j)})^T x^{(i)} - r(i,j) )^2m1∑(i,j):r(i,j)=1((θ(j))Tx(i)−r(i,j))2<br /> <br />\frac{1}{m} \sum_{i=1}^{n_m} \sum_{j:r(i,j)=1} ( \sum_{k=1}^n (\theta^{(j)})_k x^{(i)}_k - y^{(i,j)} )^2m1∑i=1nm∑j:r(i,j)=1(∑k=1n(θ(j))kxk(i)−y(i,j))2<br />Anonymoushttps://www.blogger.com/profile/08094958650910748747noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-53342353462296764872020-09-08T12:53:44.147+05:302020-09-08T12:53:44.147+05:30Can you please explain what you find wrong in exis...Can you please explain what you find wrong in existing questions and answers??Akshay Daga (APDaga)https://www.blogger.com/profile/04899846959607912677noreply@blogger.comtag:blogger.com,1999:blog-4925159124120434624.post-49449950354152791342020-09-08T05:22:09.539+05:302020-09-08T05:22:09.539+05:30options on Q1 and Q4 and Q5 need to revisedoptions on Q1 and Q4 and Q5 need to revisedAnonymoushttps://www.blogger.com/profile/02317395834529312110noreply@blogger.com