Alfian Afan Ghafar El Mamab | Data Analyst | Statistician | Data Processing and Visualization Expert | Machine Learning Enthusiast

Alfian Afan Ghafar El Mamab

Data Analyst | Statistician | Data Processing and Visualization Expert | Machine Learning Enthusiast

Based in Jakarta, Indonesia

About

I have experience working as a data analyst for more than seven years and hold education degree in Statistics and Data Analytics. With this professional experience and educational background, I have developed my critical thinking in data processing and expertise in various data analytics tools, including R, Python, Ms. Excel, SQL, Tableau, and Power BI.

Skills

Projects

Supermarket Data Visualization

Visualization of Supermarket Data using different data visualization tools. (Tableau : bit.ly/tableausupermarket) ; (Power BI : https://bit.ly/powerbisupermarket) ; (Looker St : https://bit.ly/lssu) ; (R Shiny : https://d-34371478.shinyapps.io/Supermarket_1/)

Coffee Shop Problem

I tried to maximize the profit of a coffee shop company by analyzing the monthly financial report.

Performance Comparison of Several Machine Learning Classification Methods

Using diabetes data, I tried to compare accuracy of several classification methods in machine learning. (please open the result document by the project link above)

Indonesia Public Complaint Report 2020

Annual report of SP4N-LAPOR! programme, Indonesia's National Public Complaint Handling Platform.

Online Sales Tableau Dashboard

Linear and Logistic Regression Application on Height Child Data in Sub-Saharan African Country

The exploration of the data was divided into two sections based on methodology, the first was using linear regression with categorical variables followed by logistic regression by clustering the response variable into two groups, stunted and not. (please download the report by the link above)

Pisa Score Visualization Using R and Shiny

In this project I build an interactive data visualization of PISA Score in Shiny using R program

Experience

2018 - 2023

Data Analyst

a. Analyze public complaint data and compile periodic reports b. Build dashboard for decision maker c. Drafting public service policy recommendations d. Assisting liaison organizations to perform complaint handling system ideally

Education

2012 - 2017

Statistics at Brawijaya University

I learned about regression modeling, analysis of variance, bio-statistics, linear modeling, analysis reliability, econometrics, social statistics, statistical programming, etc

2023 - 2024

Data Analytics for Government at Southampton University

I learned about regression modelling, machine learning, data mining, data visualization, data science programming tools, survey design, compensating for missing values, official statistics, etc