WHAT IS DATA?
Data is a collection of factual information that describes quantity, quality, facts, statistics or basic units of meaning. It usually is used as a basis for reasoning, discussion or calculation. This then begs the question what is data analysis? Data analysis is the examination of data to identify patterns, trends and insights. These insights are fundamental in our day to day life scenarios dependant on the nature of data and field in which they are of relevance and to the respective stakeholders.
DATA ANALYTICS
The use of tools and processes to examine raw datasets by transforming and organizing them to identify patterns and derive insights to answer specific questions and hence make informed decisions based on the insights.This is done by a well trained and skilled data analyst. Roles of a data analyst includes the following:
- Data collection: Gathering data from various sources including databases, spreadsheets and other platforms.
- Data cleaning: Ensuring data accuracy, consistency, and relevance by identifying and addressing issues like missing values, duplicates, and inconsistencies.
- Data analysis: Use of statistical methods, data mining techniques and analytical tools to identify patterns, trends and insights in the data.
- Data interpretation: Drawing meaningful info from the analysis that explains the findings and thereby translate them into recommendations.
- Data visualization: Creating charts, graphs and dashboards to communicate insight to the stakeholders.
- Reporting and communicating: Preparing reports, presentations and other material to share findings and recommendations with both technical and non-technical audiences.
TOOLS
For a data analyst to perform these roles aptly, then he/she should be able to utilize the necessary tools specific to the needs of a project being undertaken. However, before diving deeper let's get the definition of a tool.
A tool is a software application, better still to a layman, a computer program that helps process, analyse, visualize and interpret data.These tools help the data analyst carry out his/her roles effectively.
