Data Analysis – Randomness from Gonçalo https://goncalovf.com Wed, 20 Oct 2021 19:41:00 +0000 en-US hourly 1 https://wordpress.org/?v=6.4.1 https://goncalovf.com/wp-content/uploads/2020/06/cropped-site-logo-32x32.png Data Analysis – Randomness from Gonçalo https://goncalovf.com 32 32 Visualization on how students associate courses when applying to colleges https://goncalovf.com/vis-students-associate-courses/ Thu, 20 Sep 2018 18:38:00 +0000 https://goncalovf.com/?p=62 To promote omeututor.com – a marketplace for 100% online tutoring I founded in 2018 – I created a blog, which included 2 posts with visualizations about college admissions. This is the second post.

In Portugal, when students apply to colleges, they fill in a list of preferred courses and colleges they would like to be enrolled in, in order of preference. For this post, I got each students’ list of preferences for 2017 and quantified how many times each pair of courses were included in the lists. This calculation weighted how close the preferences are to each other. For example, a student’s first and second preferences have a stronger association than the student’s first and fourth preferences.

My goal with this post was to help students discover alternative courses to their preferred ones, which is important because many students can’t get into their preferred course because they didn’t get the required admission grade. Hopefully, knowing how others build their list of preferences could help a student build his own.

In the visualization, the bigger the circle, the more the course is associated with the one selected in the select-box.

The graph is in Portuguese because the business I was promoting was focused on the Portuguese market.

See the code for this graph.

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Visualization of admission-grades to college courses https://goncalovf.com/vis-college-admission-grades/ Sat, 15 Sep 2018 17:11:00 +0000 https://goncalovf.com/?p=57 To promote omeututor.com – a marketplace for 100% online tutoring I founded in 2018 – I created a blog, which included 2 posts with visualizations about college admissions. This is the first post.

In this post, I wanted to help students view the minimum admission grade for different colleges for any particular course.

To use the graph:

  1. Select the courses you want to include.
  2. Select whether you want the previous year’s admission grade (2017) or the average of the previous 3 years (2015-2017).
  3. Place the cursor on top of a grade (circle) to read the information about the college..

Note: only grades for public institutions are included.

The graph is in Portuguese because the business I was promoting was focused on the Portuguese market.

See the code for this graph.

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