EdX

Data Storage and Processing (edX)

Offered by ITMO University, ITMOx,

Master the culture of data representation, interpretation and outcomes evaluation. Learn the fundamentals of relational and NoSQL database management systems. Want to learn data processing and interpreting the result you’ve got? This course is for you! Get acquainted with preparing and analyzing large amount of data, as well as data storage fundamentals.

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This course is an introduction to initial data processing. We will start with data types and sources, methods of data preparation: cleaning, filling in the missing values, data smoothing and normalization. The course will familiarize you with the descriptive statistics and data visualization methods. You will also learn how to analyze time series and find trends.
Get acquainted with the fundamentals of data storage and access: databases types, relational and NoSQL databases, big data initials.
No previous programming knowledge needed.
This course is part of the Data Processing and Analysis Professional Certificate.

What you'll learn

Initial data processing (data cleaning and filling in the missing values)
Data smoothing and normalization
Data visualization
Time series analysis
Descriptive statistics
Data storage and access by means of relational DBMS
NoSQL databases and Big data

Syllabus

Week 1:Data preprocessing. Basic concepts of data processing. Stages of data analysis (collection, sorting, transformation, building models and interpretation). Data measurements and scales. Data types and sources. Data preparing.

Week 2:Data processing tools and visualization. Digital spreadsheets. Data visualization goals. Methods and purposes of correct data visualization.

Week 3: Data processing. Descriptive statistics. Data normalization and transformation. Time-series analysis and forecasting. Types of time-series smoothing. Trends, seasonal time series modelling.

Week 4:Relational databases management systems. Introduction to relational DBMS starting from relational data model. SQL statements and queries creation. Database indexes and transactions requirements.

Week 5:NoSQL. Main characteristics of not only SQL databases. Non-structured and semi-structured data and scalability of NoSQL databases. Types of NoSQL databases: column-oriented, key-value store, document store and graph databases.

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