Tasks and Duties
Objective: The goal of this task is to enable you to gather publicly available telecom data, preprocess it, and perform a thorough exploratory data analysis (EDA) using Python. You will assess data quality, address missing values, and create visual summaries to understand core patterns within the dataset. This will help you build a strong foundation in data wrangling and initial analytics in the telecom sector.
Expected Deliverables:
- A DOC file detailing the steps taken for data acquisition, cleaning, and exploratory analysis.
- Descriptions of the Python methods and libraries used (e.g., pandas, numpy, matplotlib, seaborn).
- Screenshots or code snippets demonstrating your process and visual outputs.
Key Steps:
- Identify one publicly available telecom dataset related to customer behavior, network performance, or similar.
- Import and examine the data for inconsistencies, missing values, and outlier data points using Python.
- Perform data cleaning and transformation to prepare it for analysis.
- Conduct exploratory analysis including descriptive statistics and visualizations (bar charts, histograms, scatter plots) to uncover trends and patterns.
- Document the entire process, including your rationale for cleaning methods, choices in visualizations, and interpretation of trends.
Evaluation Criteria:
- Completeness and clarity of the DOC file report.
- Accuracy and relevance of cleaning methods and data transformations applied.
- Depth of insights from the exploratory analysis and quality of visualizations.
- Overall coherence and justification of your approach.
This task will require approximately 30 to 35 hours of work and should be thoroughly documented in your DOC file submission.
Objective: This task focuses on enhancing your data visualization skills to provide in-depth statistical analysis of telecom data using Python. You will extend the work done in Week 1 by incorporating more advanced analytical techniques and visualizations to explain the distribution patterns, correlations, and statistical significance of telecom datasets. The purpose is to help you deepen your understanding of how effective visualization can aid in data-driven decision making in the telecom industry.
Expected Deliverables:
- A comprehensive DOC file outlining your advanced visual analysis process.
- An explanation of the statistical techniques applied (such as correlation analysis, hypothesis testing, or regression analysis) using Python libraries (e.g., scipy, statsmodels).
- A series of high-quality graphs/charts that clearly demonstrate the relationships and patterns found in the data.
Key Steps:
- Select a telecom-related dataset (you may use the one from Week 1 or another publicly available one) and perform further data cleaning if necessary.
- Apply advanced statistical tests to understand the relationships between key features in the dataset.
- Create multiple sets of visuals including heatmaps, box plots, and regression plots using libraries like seaborn and matplotlib.
- Explain the significance of your statistical findings and how they relate to decision-making in telecom analytics.
- Compile all code, algorithm descriptions, and interpretations into a well-organized DOC file.
Evaluation Criteria:
- Clarity and depth of advanced analytics methods used.
- Quality and interpretability of the visual outputs produced.
- Consistency between analytical results and conclusions drawn.
- Organization and detail of the DOC file submitted.
This assignment should take around 30 to 35 hours of focused work and is designed to be fully self-contained.
Objective: In this task, you are required to develop and evaluate a predictive model to identify potential customer churn using Python. The focus is on applying machine learning techniques to forecast churn behavior, which is highly relevant in the telecom industry. The exercise is designed to help you build competence in model construction, feature selection, training, and performance evaluation while ensuring that predictions are both reliable and actionable.
Expected Deliverables:
- A detailed DOC file reporting the entire process, including model selection, data preprocessing, training, and evaluation.
- Key sections describing the rationale behind chosen algorithms (e.g., logistic regression, decision trees, random forest) and the performance metrics used (accuracy, precision, recall, F1-score).
- Inclusion of Python code snippets with clear annotations and relevant visualizations (e.g., ROC curves, confusion matrices).
Key Steps:
- Select a publicly available telecom dataset that includes customer behavior indicators and potential churn labels.
- Perform necessary feature engineering and data preprocessing to prepare the dataset for modeling.
- Apply a suitable machine learning algorithm for binary classification, and split the data into training and testing sets.
- Evaluate the model using appropriate performance metrics and validate your findings with cross-validation.
- Discuss potential improvements and the impact of your model in a business context.
Evaluation Criteria:
- Accuracy and methodical approach to predictive modeling.
- Completeness of data preprocessing and feature engineering steps.
- Depth of analysis around model evaluation and performance metrics.
- Overall clarity, organization, and detail as presented in the DOC file.
The task is expected to require 30 to 35 hours of work and will test your practical skills in both data analysis and machine learning in the telecom domain.
Objective: This task requires you to analyze time series data representing telecom network performance over a specific period. The aim is to implement time series forecasting models using Python to detect trends, seasonality, and anomalies that impact network efficiency. This task is designed to highlight the importance of time-dependent data analysis in the telecom sector, providing insights into performance optimization and proactive network management.
Expected Deliverables:
- A DOC file that documents your complete analysis process, including data preparation, model selection, and forecasting results.
- A clear description of the time series forecasting techniques used (such as ARIMA, SARIMA, or exponential smoothing) along with justifications for their application.
- Visualizations that illustrate the time series trends, seasonal effects, and any detected anomalies.
Key Steps:
- Select a suitable publicly available dataset that includes time series data related to telecom network performance (e.g., traffic volume or outage frequency).
- Carry out data preprocessing steps such as date parsing, handling missing timestamps, and normalization.
- Identify trends and seasonal components using statistical tests and visual plots.
- Apply a time series forecasting model and evaluate its performance using forecast accuracy metrics.
- Discuss the limitations of your approach and potential business implications in the telecom industry.
Evaluation Criteria:
- Appropriateness and correctness of the chosen time series forecasting model.
- Clear explanation and visualization of trends, seasonality, and anomalies.
- Comprehensive documentation of data preprocessing and modeling steps.
- Insightful discussion on the practical implications of the analysis for network performance management.
This assignment is estimated to take 30 to 35 hours of work and encourages proficiency in handling time series data analytics with Python.
Objective: The final week's task focuses on synthesizing previous analyses and developing actionable strategic recommendations for telecom operations. You are to utilize your data science and analytical skills to draw insights from publicly available telecom datasets, and then propose optimization strategies that can enhance network performance, customer retention, or operational efficiency. The goal is to bridge technical data analysis with strategic business decision-making.
Expected Deliverables:
- A DOC file that contains a comprehensive project report. This report should include data analysis summaries, strategic insights, optimization recommendations, and discussion on potential business impacts.
- A detailed written narrative describing the methodologies used in your analysis, the conclusions drawn from the data, and the reasoning behind your recommendations.
- Visual aids such as charts, graphs, and diagrams that support your insights and strategic recommendations.
Key Steps:
- Review findings from earlier analyses or select a new publicly available telecom dataset that supports strategic planning objectives.
- Perform a comprehensive analysis focusing on key performance indicators relevant to telecom businesses.
- Identify operational inefficiencies or opportunities for enhanced customer satisfaction and network optimization.
- Develop clear, actionable recommendations, supported by quantitative data and visuals, to optimize telecom services.
- Critically evaluate the potential impacts of your recommendations on business processes, cost efficiency, and customer retention.
Evaluation Criteria:
- Clarity and logic of the strategic insights presented.
- Robustness and coherence of the analytical methods used to derive recommendations.
- Quality and relevance of the supporting visualizations and diagrams.
- Overall organization and thoroughness of the DOC report in connecting data insights with strategic business impacts.
This task, estimated to take 30 to 35 hours, requires a deep integration of technical analytics with strategic thinking, ensuring your final submission is comprehensive and reflects a real-world telecom data analytics challenge.