BUSA8001-Predicting Airbnb Listing Prices in Sydney Report - IT computer Science Assignment Help

Assignment Task

Task 

Predicting Airbnb Listing Prices in Sydney

Overview:

• In the group assignment you will form a team of up to 3 students (minimum 2) and participate in a forecasting competition on Kaggle 
• The goal is to predict listed property prices of Airbnb stays based on various Airbnb characteristics and regression models 
• You will:
• Write a problem statement and perform Exploratory Data Analysis
• Clean up data, deal with categorical features and missing observations, and create new variables (feature engineering)
• Construct and tune forecasting models, produce forecasts and submit your predictions to Kaggle
• Each member of the team will record a video presentation of their work
• Marks will be awarded producing a prediction in the top 3 positions of their unit as well as for reaching
• the highest ranking on Kaggle amongst all teams.

Task 1: Problem Description and Initial Data Analysis
1. Read the Competition Overview on Kaggle
2. Referring to Competition Overview and the data provided on Kaggle write about a 500 words Problem

• Description focusing on key points that will need to be addressed as first steps in Tasks 2 and 3 below,
• using the following headings:
• Forecasting Problem
• Evaluation Criteria
• Types of Variables/Features
• Data summary and main data characteristics
• Missing Values (only explain what you found at this stage)

Task 2: Data Cleaning, Missing Observations and Feature Engineering

• In this task you will follow a set of instructions/questions listed below.
• Make sure you explain each step you do both in Markdown text and on your video.
• Do not just read out your commands without exaplaining what they do and why you used them

Task 2, Question 1 : Clean all numerical features and the target variable price so that they can be used in training algorithms. For instance, host_response_rate feature is in object format containing both numerical values and text. Extract numerical values (or equivalently eliminate the text) so that the numerical values can be used as a regular feature.

Task 2, Question 2 Create at least 4 new features from existing features which contain multiple items of information, e.g. creating email , phone , reviews , jumio , etc. from feature host_verifications .

Task 2, Question 3 : Impute missing values for all features in both training and test datasets.

Task 2, Question 4 : Encode all categorical variables appropriately as discussed in class.
Where a categorical feature contains more than 5 unique values, map the features into 5 most frequent values + 'other' and then encode appropriately. For instance, you could group then map property_type into 5 basic types + 'other': [entire rental unit, private room, entire room, entire towehouse, shared room, other] and then encode.

Task 2, Question 5 : Perform any other actions you think need to be done on the data before constructing predictive models, and clearly explain what you have done.

Task 2, Question 6 : Perform exploratory data analysis to measure the relationship between the features and the target and write up your findings.

Task 3: Fit and tune a forecasting model/Submit predictions/Report score and ranking
Make sure you clearly explain each step you do, both in text and on the recoded video.
1. Build a machine learning (ML) regression model taking into account the outcomes of Tasks 1 & 2
2. Fit the model and tune hyperparameters via cross-validation: make sure you comment and explain each step clearly
3. Create predictions using the test dataset and submit your predictions on Kaggle's competition page
4. Provide Kaggle ranking and score (screenshot your best submission) and comment
5. Make sure your Python code works, so that a marker that can replicate your all of your results and obtain the same MSE from Kaggle
Hint: to perform well you will need to iterate Task 3, building and tuning various models in order to find the best one.

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