* I like your title, includes good keywords. Great.
* Your subtitle can be improved. Include the keywords again. Would love for it to be more descriptive and motivate the student to buy. "Visualize your data and get actionable insights using R, Python and SQL."
* I think your course image can be improved. I get that it's a column chart, but I think there are better images to represent data analytics.
* Your audio is clear with no background noise. I can understand you clearly. Congratulations on that. To many, that's one of the most difficult parts.
* I think you can improve your introductory video by telling potential students what to expect to learn in the course and perhaps with a quick demonstration of how you can turn data into insights. Udemy has a "promo video" recipe, and it's worth looking at. https://teach.udemy.com/wp-content/uploads/2016/01/Promo-video-Recipe-cc.pdf
In 90-120 seconds, you should be able to get the students interested in buying your course instead of someone else's course. It's not reasonable that they will spend 10 minutes listening to your entire introduction video before deciding whether to purchase/continue, or look away. Look at the Udemy recipe above.
* I also like to suggest a demo. Even if you haven't taught the students how to use R and Python to analyze the data, if you showed them a sample CSV, you could perhaps craft a 60-second demo of what they should be able to do by the end of the course. A restaurant shows pictures of the food before the diner orders it to get the person interested in the meal, and so a teacher can show a demo of the outcome at the beginning, before taking students step-by-step into how they did it. This is separate from the introduction or promo video.
* Introduce variety in the video. You have a 10-minute video (Lesson 3), and the video never changes the entire time. I think you can do things to keep the student more interested in the video portion. Can you break one slide into 5 slides? Make the text bigger, add relevant pictures, or introduce basic animations (fade in) in PowerPoint? Having the screen unchanging for 7, 8, or 10 minutes is too long, in my view.
You don't even have to re-record the audio. You can just improve the slides and dub the existing audio on top of it. I do that all the time.
* I like that you have lots of "free preview" videos. That's a great way to get students who are unsure of it to get a better idea of your teaching style.
* I like that you have example dataset to download.
* Overall, it looks like the course covers a lot in 6.5 hours, and students interested in the topic would find it helpful.
* I didn't see a video that was the end of the course. There was no thank you or goodbye, and no notes to the student on what to do next. Let's say a student successfully completes your course. Do you want them to do anything to continue their studies? Can you recommend other resources for them to continue?
Overall, I think you've got a great first course. Just a few minor suggestions to improve the "pace" of the videos to keep students interested. And of course, get them interested with a good promo video that sells the benefits of taking the course in a concise 2-minute fashion.
All the best,
Scott
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