Christos's Data Portfolio – All Things Data Analytics

Data Analytics

Business Intelligence

Data Tracking

Data Visualisation and Modelling

Christos Singh

Undertaking analysis of complex datasets, making data driven decisions and implementing recommendations. A strong proficiency in a variety of analytical and data visualisation software with a keen eye for detail ensuring accuracy within analysis.

With over 5 years of experience in digital marketing analytics, I have been responsible for overseeing client campaigns, managing ad budgets and delivering positive results driven through in-depth analysis of large datasets and multivariate testing for optimal results.

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My Skill Set

Data Analysis

Utilising a variety of statistical packages I am able to undertake data cleansing and exploratory analysis. With experience of handling large sets of data (2M+ rows) I am able to extract key valuable information and real-time insights to provide data driven decisions

Data Visualisation & Modelling

Working with various business intelligence and data visualisation software I am able to visualise data in an accessible way to see and understand trends, outliers and patterns in data. Since our eyes are drawn to colours and patterns this makes for a useful format when presenting key findings to stakeholders

Data Collection (Web Scraping, FTP & APIs)

Using automated processes and Python, I am able to accurately collect large amounts of data from the web, whether that's through various tables or through a direct feed using an API

ETL Pipeline Using SSIS (Visual Studio)

I have an in-depth understanding of creating an ETL pipeline, bringing all three interdependent processes of data integration to pull data from one database and move it to another using SQL Server Integration Services (SSIS)

Data Analysis Skills

Data Cleaning, Exploration & Analysis

SQL, Python, R, Matlab, Excel, VBA, Power Query, DAX (PowerBI) Listed above are the languages/software I have experience with when conducting data analysis, each program comes with its own merits and is process-dependent.

Data Visualisation Skills

Custom BI Dashboards & End-User Reporting

PowerBI, Tableau, Plotly Having an in-depth understanding of PowerBI and Tableau I am able to formulate interactive visuals which engage the audience and showcase findings in an informative way. Examples of past work is available in my portfolio section.

Python Libraries Used

Data Analysis & Visualisation

Pandas, NumPy, BeautifulSoup, Selenium, Matplotlib, Seaborn, Plotly, Geoplotlib, Requests, Folium Pandas - Data manipulation and analysis
NumPy - Fundamental scientific computing
BeautifulSoup - Parsing HTML and XML documents.
Selenium - Automation of web browser interaction
Matplotlib - Plotting and visualisation
Seaborn - Statistical data visualisation
Plotly - Interactive web-based visualisations
Geoplotlib - Visualising geographical data
Requests - HTTP Library
Folium - Visualise data with an interactive leaflet map

Other Skills

Marketing Optimisation & Web Development

A/B Testing, Multivariate Testing, GA, PPC Marketing, Email Marketing, Workflow Automation Utilising heat maps and in-depth visitor interaction analysis to optimise marketing campaigns. Custom WordPress app integration.
Web development. Web coding languages: HTML, CSS, PHP and JS.

Automation using Python.
Development of forecasting financial and sales models.
SEO keyword research.
Organic growth.