Sakif Chowdhury

Now in his third placement period, Sakif has plenty of experience working with Tableau and Alteryx. From building dashboards that summarize financial data to automations that can help reconcile HR data he has worked with a wide variety of teams that each had unique challenges to overcome. He is passionate about building interactive dashboards that help simplify the user experience and make exploring data a more enjoyable experience.

Prior to the Data School, Sakif studied Mathematics at Baruch College and worked as a business administrator where he experienced firsthand how having automated processes and data visualization can help organizations make informed decisions.

Certifications

Blog Posts

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Tue 17 Oct 2023 | Sakif Chowdhury
The Ten Commandments of Scope Heaven (Part 2)
Here is the continuation of Lex's work in part 1: 6. Know your limits How long does it take to create something? Unfortunately that's a question that can only be answered with experience
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Fri 29 Sep 2023 | Sakif Chowdhury
Creating an On/Off switch in Tableau
During the fourth day of dashboard week, I created a dashboard that showed what songs a person might like based on their preferences. The user had the ability to choose which preferences they wanted to include in the calculation for the song recommendations
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Fri 29 Sep 2023 | Sakif Chowdhury
Dashboard Week Day 5 - School Violations
The final day of dashboard week is finally here. It has been quite a long week and we ended it in the middle of a storm, there were floods and delays all over New York City
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Thu 28 Sep 2023 | Sakif Chowdhury
Dashboard Week Day 4 - Spotify/Youtube
Today we actually received a data set that was clean. It contained information about approximately 20,000 songs, their qualities, the number of views they have, and the artist that created it. From this data, I wanted to create a dashboard that would recommend songs based on the user's preferences
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Wed 27 Sep 2023 | Sakif Chowdhury
Using Running sum to Pivot in Alteryx
When pulling data from an API or web-scraping, it is quite common to need to pivot the data at some point. Here's what the data from the Rick and Morty API looked like when I tried to use it today: All of the data is in one column, which means we need to pivot for it to be easily useable
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Wed 27 Sep 2023 | Sakif Chowdhury
Dashboard Week Day 3 - Rick and Morty API
Today we had to access the Rick and Morty API and create a dashboard about anything we wanted from that. I chose to show where different characters reside
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Tue 26 Sep 2023 | Sakif Chowdhury
Creating a Button to Reset Parameters in Tableau
While building interactive dashboards, we sometimes want to be able to use several filters and then allow the user to reset the dashboard to its original quickly. To do this we can use a 'button' that resets all of the parameters we use for filters
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Tue 26 Sep 2023 | Sakif Chowdhury
Dashboard Week Day 2 - Survey Data
For our second day of dashboard week we were given the results of a survey conducted on people from Slovakia aged 15-30. We were challenged to create a dashboard about anything we choose from the results of this survey
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Mon 25 Sep 2023 | Sakif Chowdhury
Switching Measures in Tableau
Being able to create customizable charts can always be useful. Especially when trying to show many different pieces of information at once. In this blog I will quickly go over how I created the measure switches for the dashboard I created in day one of dashboard week
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Mon 25 Sep 2023 | Sakif Chowdhury
Dashboard Week Day 1- Bundesliga
Today marks the beginning of the end, it's the first day of dashboard week. For our final week in training for the data school we build a dashboard every day, and here is a quick overview of what I did to build my dashboard today
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Wed 13 Sep 2023 | Sakif Chowdhury
Alteryx Challenge #210
Intermediate Alteryx challenges normally take several different types of tools to complete. Challenge #210 required tools for parsing, joining, and transforming. To start off we are given two files, the first contains data on each all star player from 2010 - 2016
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Fri 25 Aug 2023 | Sakif Chowdhury
Creating Spatial Objects in Tableau
Spatial objects can be quite confusing without understanding exactly what is going on. Thankfully, Tableau makes it quite simple for us. The first thing that we need to do is make sure Tableau is reading the data we input correctly
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Wed 23 Aug 2023 | Sakif Chowdhury
Ranking fields in Tableau Prep
It is quite easy to use the Rank() function in Tableau itself. However, it is a table calculation which may sometimes complicate things. It can be useful to have the data set ranked before it enters Tableau
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Mon 21 Aug 2023 | Sakif Chowdhury
Projecting a line in Tableau
Last week, for our client project we had monthly target data. However, we needed to compare values at a daily or weekly level. This meant that we had to take this monthly target value and show how that translates into a daily targets throughout the month
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Thu 17 Aug 2023 | Sakif Chowdhury
Alteryx Challenge #341: Spatial
This challenge requires us to convert a table about stops on a marathon route onto a map. We need one map with each individual point on the marathon and another with a line representing the path. The data includes the exact location of each stop in latitude and longitude, elevation, and time
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Mon 07 Aug 2023 | Sakif Chowdhury
Changing Table Headers in Tableau
While creating our charts in Tableau, we can quickly begin to create complex calculations that show up in our Table headers. There is a way to hide these calculations from the header and replace them with a more reasonable header
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Tue 25 Jul 2023 | Sakif Chowdhury
Alteryx Weekly Challenge #8
The Alteryx weekly challenges are a great way to learn more about using Alteryx. Currently, there are 381 of them with varying difficulties. This week I decided to complete the 8th weekly challenge
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Mon 24 Jul 2023 | Sakif Chowdhury
Using RegEx on Alteryx
A regular expression (regex) is a string that is used for describing patterns. These can be very helpful for analyzing text data or extracting the data that you need from text. The regex tool on Alteryx has four different types of functions which include, replace, tokenize, match, and parse
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Tue 18 Jul 2023 | Sakif Chowdhury
Our First "Client" project
Last week, DSNY4 finally had the chance to experience what it is like to work on a project with clients. Because we are still in training, our first client project was an internal one. This meant that one of our coaches acted as the client and gave us the data to use and the requirements to meet
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Wed 12 Jul 2023 | Sakif Chowdhury
Makeover Monday - July 10th, 2023
As a data schooler we are tasked to complete Makeover Monday challenges in one hour. Makeover Monday is a weekly challenge to improve a Tableau dashboard from a given dataset. This week we took a look at the Henley Global Passport Index which ranks every country by how powerful their passport is
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Wed 05 Jul 2023 | Sakif Chowdhury
How to make a Tableau Dashboard interactive
A major benefit of using Tableau for data visualization is how easy making a dashboard interactive is. Having an interactive dashboard can allow the user to view data in a more efficient way by hiding what is unnecessary and potentially tell a better story by highlighting relevant information
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Wed 07 Jun 2023 | Sakif Chowdhury
Cleaning Data with Tableau Prep
During the first week of DSNY4 we began learning about data preparation with Tableau prep. This was a very intriguing topic for me because, for my first application viz, I initially wanted to work with climate change data
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