数据存储和处理

Data Storage and Processing

Master the culture of data representation, interpretation and outcomes evaluation. Learn the fundamentals of relational and NoSQL database management systems.

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俄罗斯圣光机大学
edX
  • 完成时间大约为 5
  • 初级
  • 英语
注:因开课平台的各种因素变化,以上开课日期仅供参考

你将学到什么

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

课程概况

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.

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.

课程大纲

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.

预备知识

High school mathematics and basic statistics concepts

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