<aside> 💡 If you want to become a data analyst, one of the fundamental knowledge you need to understand is the process of data analysis. This page briefly explains how data analysts do their jobs.

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1. Define Questions and Goals

Before even looking and the data, ask yourself some specific questions to set a goal for the analysis.

What are you trying to solve? Which types of information do you need more? Are you trying to fix an existing problem or predict a performance?

2. Collect Data

Now that you know your goal, collect data available for use.

When using the business intelligence (BI) tools, make sure you have a proper connection to the data and set the size of the data you want to collect based on your goal.

3. Data Wrangling

Unfortunately, you just can’t start analyzing the data after collecting available data. You need to clean the data to make sure that they are in a usable format. This process can be done such as:

This process is crucial to make an accurate analysis from the data.

4. Determine Analysis

Depending on the problem you face and the solution you want, there are various methods of analysis such as Cohort analysis, RFM analysis, Funnel analysis, A/B test, and more.

Knowing the methods and proper implementation of each of those methods will be crucial in analyzing the problems.

For more details,

5. Interpret Results