Friday, August 20, 2021

Simple Linear Regression, 1,000,000 Views

One of my most popular videos over the past six years has been How To... Perform Simple Linear Regression by Hand. It has recently become the third of my videos to surpass a million views. Since it was first published on 23rd December 2015, it has also got 505 comments (mostly very positive), and 9,442 Likes (a 96,7% positive rating). This video has also gained me 4,400 subscribers and earned just over €2,000. Most viewers (78%) are in the 18 - 24 age group indicating that most viewers are students. The top viewing countries are the United States (21%), and India (19%). Just 1,941 (0.2%) of views are from Ireland - less than Zimbabwe and Nepal!


Interestingly, despite the video being 10:55 minutes long, the average viewing time is just 2:46 minutes. By 13 seconds into the video, 40% of viewers have already stopped watching. I introduce all my videos in the same way, but even though I am concise and to the point, there is still a large drop off. Only 12% watch the video until the end.

It is gratifying and humbling to find that a video, which took me less than eleven minutes to make, has been useful to so many people. Getting a "hit" is so difficult - none of my top 20 viewed videos was published in the last five years. It is difficult to build an audience.

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