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Data Science Portfolio

Portfolio of my data science projects for course assignment and personal purposes.

Attitudes Toward Wife Beating

logistic regression

statistical test

EDA

Melihat bagaimana hubungan tingkat pendidikan, tingkat ekonomi, daerah tinggal, serta pernikahan di bawah umur perempuan mempengaruhi sikap terhadap pemukulan istri dan apakah hubungan tersebut dapat digambarkan oleh sebuah model statistik. Dibuat sebagai final project salah satu course Pacmann Analytics & Data Science.

drawing

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Health Insurance Risk Analysis

probability

EDA

Analisis variabel yang mempengaruhi tagihan asuransi kesehatan. Dibuat sebagai final project salah satu course Pacmann Analytics & Data Science.

drawing

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NY Citi Bike Performance

data viz

data cleaning

EDA

Analisis kinerja program NY Citi Bike di tahun 2014-2016 serta eksplorasi karakteristik pengguna. Visualisasi ditampilkan dalam bentuk dashboard Tableau. Dibuat sebagai final project salah satu course Pacmann Analytics & Data Science.

drawing

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NYC311 Housing and Building Complaint Analysis

data viz

data cleaning

scikit-learn

decision tree

flask

plotly

An analysis of complaints received by NYC Department of Housing Preservation and Development (HPD) to help manage the high-volume of complaints by suggesting the most pressing complaint as well as the area the HPD should focus on. A final project for Purwadhika Data Science and Machine Learning.

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  • Flask web application is available on Heroku
  • Notebooks and source code are available on my github.

Campus Recruitment

EDA

data viz

Analysis of academic and employability factors influencing candidate’s job placement. A Project for IBM Exploratory Data Analysis for Machine Learning course.

Campus Recruitment

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House Price Prediction

regression

property

Predict house price based on physical attributes related to property sales with linear regression. Different methods of regularization such as Ridge, Lasso, and Elastic Net were evaluated. This is a project for IBM Supervised Learning: Regression course.

House Price Prediction

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Browsing or Purchasing?

clasification

decision tree

retail

Predict whether a customer browsing session will end with goods purchase or not based online shop customer’s browsing behavior in one year period. A Project for IBM Supervised Learning: Classification course.

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Online Retail Customer Segmentation

clustering

kmeans

agglomerative clustering

retail

How should a retailer make an offering to their customer? What does the transaction data tell about the customers’ purchasing behavior? We will group online retailer customers using clustering techniques, with the help of Recency, Frequency, and Monetary (RFM) analysis. A Project for IBM Unsupervised Learning course.

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The Most Impactful Attack On Titan Episodes in Each Season

EDA

google trends

pytrends

fandom stuffs

Which of the Attack On Titan season has the most impact? Which episodes garnered the most attention in each season? We’ll answer both questions using the data from Google Trends.

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Others

Portfolio of my other projects in Python.

Twitter Autobase Bot

tweepy

API

fandom stuffs

Simple twitter autobase bot that posts incoming Direct Messages.

Features

  • Posts incoming DM that contains the trigger word.
  • Posts incoming DM with media.
  • Cuts post longer than 280 characters and posts them as a thread.
  • Sends a DM back for each incoming DM.
  • Deletes the incoming DMs once they are posted.

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Twitter RT Bot

tweepy

API

sqlite

fandom stuffs

This is a simple twitter bot that collects tweets containing a certain keyword, stores them in a database file, and retweets them at a certain time window, built in Python using Tweepy.

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