Online courses directory (13677)

The free online course Data Journalism and Media Standards introduces you to the methods used by journalists in gathering and utilizing online data, as well as the use of freedom of information requests for government and public records. The use of blogs and the rise of the citizen journalist are also explored.<br /><br />The course first introduces the ever-growing set of tools, techniques, and approaches to storytelling known as data journalism. You will learn how to find data on the web, how to request it using freedom of information laws, how to use screen-scraping to gather data from unstructured sources, and use crowd-sourcing to collect datasets from readers. You will learn how to present data using techniques such as data visualization and news applications. You will also learn about mining data and learn to recognize the four main obstacles to the use of data journalism. <br /><br />Next, you will learn about the role of the free press and the standards that are in place which describe the privileges and responsibilities of a free press in a free society. The laws, statutes, and codes that determine the conduct required of news organizations are explained. The framework of a free press is also explained, such as, what rights are essential, in order for journalists to do their jobs. You will also learn about censorship and regulation of the media. You will review how government licensing in some countries both determines who may be a journalist and circumscribes the parameters of acceptable reporting and commentary leading to self-censorship and stifling of dissent and debate.<br /><br />Finally, you are introduced to the tools and resources used to hold bloggers and citizen journalists to account. You will learn how access to electronic files presents special challenges such as being over-connected which can fragment and compartmentalize public opinion. You will also learn how information that is in the public domain cannot be the basis of an invasion of privacy suit. You will also learn about how discipline, order and planning are essential for successful investigative journalism, and how your work must be solidly researched, well written and verifiable.<br /><br />This course will be of great interest to journalists and students who would like to learn how gathering and presenting data can be used as key part of the journalistic process. The course will also be of interest to learners who want an insight into the ethics and laws governing journalism, and how they apply to both professional and citizen journalists.<br />

An introductory course about understanding Data Loss Prevention and the different ways of recovering data.

An introductory course about understanding patterns, process, tools of data mining.

An introductory course about understanding Data Security and the different technologies involved in securing your data.

Let your presentation do the talking

Learn the fundamentals of data visualization and practice communicating with data. This course covers how to apply design principles, human perception, color theory, and effective storytelling to data visualization. If you present data to others, aspire to be an analyst or data scientist, or if you’d like to become more technical with visualization tools, then you can grow your skills with this course. The course does not cover exploratory approaches to discover insights about data. Instead, the course focuses on how to visually encode and present data to an audience once an insight has been found. This course is part of the Data Analyst Nanodegree.

Learn the fundamentals of data visualization and practice communicating with data. This course covers how to apply design principles, human perception, color theory, and effective storytelling with data. If you present data to others, aspire to be a business analyst or data scientist, or if you’d like to become more effective with visualization tools, then you can grow your skills with this course. This course is part of both the Business Analyst and Data Analyst Nanodegree Programs.

An introductory course about understanding data warehousing, its architecture, flow, applications and modeling.

An introductory course about understanding data wiping and destruction, data erasure and data sanitization.

In this course, we will explore how to wrangle data from diverse sources and shape it to enable data-driven applications. Some data scientists spend the bulk of their time doing this! Students will learn how to gather and extract data from widely used data formats. They will learn how to assess the quality of data and explore best practices for data cleaning. We will also introduce students to MongoDB, covering the essentials of storing data and the MongoDB query language together with exploratory analysis using the MongoDB aggregation framework. This is a great course for those interested in entry-level data science positions as well as current business/data analysts looking to add big data to their repertoire, and managers working with data professionals or looking to leverage big data. This course is also a part of our Data Analyst Nanodegree.

Learn how to build a robust data-driven marketing strategy and earn a letter of completion from Cornell University.

Prevent typical developer mistakes by learning how to properly create and normalize a relational database

Understanding the concepts of databases at an elementary level

This course presents an example of applying a database application development methodology to a major real-world project.

In the free online course Databases - DML Statements and SQL Server Administration you will learn about using statements to retrieve, modify and delete data from a database. You will study about performing administrative tasks such as adding security and backing up your database.<br /><br />The course begins by introducing you to DML or Data Manipulation Language statements. It will teach you about the SELECT statement to search and retrieve data from your database, and about applying the where clause to refine your SELECT statement. You will also learn about aggregate functions and other clauses you can include in your SELECT statement, and to update and delete data in a database.<br /><br />Next, you will be introduced to security terminology in which you will learn about the different levels of security using SQL Server Administration. This course will also teach you about applying security and adding users to a database, different ways to backup and restore a database using SQL Server Administration.<br /><br />This free Alison course will be of great interest to those wishing to learn about querying a database and applying security to it. <br /><br />

Learn to Design your database without writing a single line of Code

Learn to Design your database without writing a single line of Code

Learn Everything You Need To Know About Girls And Date The Girl Of Your Dreams.

Curso de iniciación a DaVinci Resolve, uno de los softwares más importantes en etalonado del mercado

How to Create Masterpieces in Photoshop, Streaming Video