Data Analytics

3-tier architecture

1. Presentation tier - layer that interacts with the client.
2. Logic tier - layer that performs calculations.
3. Data tier - storage at which data is retrieved.

Data visualisation

• Von Restorff effect
• Hicks law

Types of dashboards:

1. Strategic - tunnel vision focused on directing your audience's thoughts
2. Analytical - display as much and as concise as possible
3. Operational - display data as close to real-time as possible with threshold lines

Types of data:

1. Quantitative
2. Qualitative