Your submission for this project is three files:
1. Your report in Rmd format
2. Your report in PDF format (knit from your Rmd file)
3. A script in R format that generates your predicted movie ratings and RMSE score (should contain all code and comments for your project)
You may upload the three files directly to the edX platform or submit a GitHub link in the text response box below.
To upload and submit your files press the "Choose Files" button, select three files at once (using the control key on a Windows machine or command key on a Mac) and press "Choose," type a description for each (PDF, Rmd, R), and then press the "Upload files" button. If uploading files, we recommend also providing a link to a GitHub repository containing the three files above in case there is a problem with the upload process.
Note that when downloading files for peer assessments, R and Rmd files will be downloaded as txt files by default.
MovieLens Grading Rubric
The following is the grading rubric your peers will be using to evaluate your project. There are also opportunities for your peers to provide written feedback as well (required for some categories and optional for others). You are encouraged to give thoughtful, specific written feedback to your peers whenever possible (i.e., more than just "good job" or "not enough detail").
Note that to receive full marks on this project, you may not simply copy code from other courses in the course series and be done with your analysis. Your work on this project needs to build on code that is already provided.
After you submit your project, please check immediately after submitting to make sure that all files were correctly uploaded. Occasionally, there are file upload failures, and it's easiest to fix if these are caught early.
Files (10 points possible)
The appropriate files are submitted in the correct formats: a report in both PDF and Rmd format and an R script in R format.
o 0 points: No files provided AND/OR the files provided appear to violate the.
o 3 points: Multiple requested files are missing and/or not in the correct formats.
o 5 points: One file is missing and/or not in the correct format.
o 10 points: All 3 files were submitted in the requested formats.
Report (40 points possible)
The report documents the analysis and presents the findings, along with supporting statistics and figures. The report must be written in English and uploaded. The report should be written assuming that the reader is not familiar with the project or the data. The report must include the RMSE generated. The report must include at least the following sections:
1. an introduction/overview/executive summary section that describes the dataset and summarizes the goal of the project and key steps that were performed
2. a methods/analysis section that explains the process and techniques used, including data cleaning, data exploration and visualization, insights gained, and your modeling approach
3. a results section that presents the modeling results and discusses the model performance
4. a conclusion section that gives a brief summary of the report, its limitations and future work
o 0 points: The report is either not uploaded or contains very minimal information AND/OR the report appears to violate the edX Honor Code.
o 10 points: Multiple required sections of the report are missing.
o 15 points: The methods/analysis or the results section of the report is missing or missing significant supporting details. Other sections of the report are present.
o 20 points: The introduction/overview or the conclusion section of the report is missing, not well-presented or not consistent with the content.
o 20 points: The report includes all required sections, but the report is significantly difficult to follow or missing supporting detail in multiple sections.
o 25 points: The report includes all required sections, but the report is difficult to follow or missing supporting detail in one section.
o 30 points: The report includes all required sections and is well-drafted and easy to follow, but with minor flaws in multiple sections.
o 35 points: The report includes all required sections and is easy to follow, but with minor flaws in one section.
o 40 points: The report includes all required sections, is easy to follow with good supporting detail throughout, and is insightful and innovative.
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