CompTIA
CompTIA Data+ Certification
Build trusted data analysis skills and prepare for CompTIA Data+.
5 daysIntermediate18 modulesCompTIA Data+
About this course
Build trusted data analysis skills and prepare for CompTIA Data+. Over five days you will work with data schemas, systems and formats, collect, clean and manipulate data, apply descriptive statistics and hypothesis testing, and design visualisations, reports and dashboards that meet your audience's needs.
Curriculum
18 modules
- Relational vs. non-relational databases
- Tables, primary keys, normalization
- Types of data processing and storage
- How data changes over time
- Structured vs. unstructured data
- File types and field data
- Csv, JSON, XML
- Common code languages used for data
- ETL processes
- API/web scraping
- Public and survey data collection
- Handling missing or invalid data
- Converting and validating data
- Querying, appending, and transforming data
- Creating calculated fields and variables
- Query optimization
- Efficient function use
- Central tendency and dispersion
- Frequency and percentages
- Introduction to common analysis types
- Hypothesis testing
- Relationships between variables
- Basic and advanced visuals
- Geographical data maps
- Telling stories with visuals
- Identifying audience needs
- Data source considerations
- Sorting and filtering
- Narrative and design elements
- Deployment considerations
- Timing, updating, and types of reports
- Access policies
- Security and entity relationship rules
- Data validation and quality metrics
- MDM basics and processes
Who it's for
Analysts with some reporting experience who support data-driven decisions.
Before you start
- CompTIA recommends 18–24 months of experience in a report/business analyst job role, exposure to databases and analytical tools, a basic understanding of statistics, and data visualization experience
Prepares for
Part of these Alalamia diplomas
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