# Types of Data

### Numerical Data

This type of data is expressed in numbers and can be quantitatively measured. It is often used for statistical analysis and mathematical calculations.

<figure><img src="/files/GBcn3qrHbGXalHZT2eHX" alt=""><figcaption></figcaption></figure>

#### Textual Data

Comprising words, sentences, or documents, textual data is qualitative and can be subjective. It's typically used in natural language processing and textual analysis.

> customer 1 (Alice,New York): *`"I really loved the new design and the improved functionality. However, I think it could be more user-friendly for beginners."`*&#x20;

> Customer 2 (Bob,London): *`"Not impressed with the battery life. Expected better performance based on the advertisements."`*

> Customer 3(Chen, Beijing): *`"Excellent product! High quality and meets all my expectations. I will definitely recommend this to my friends."`*

### Multimedia Data

This data includes images, audio, and video files, providing rich content that can be used for a wide range of applications, from surveillance to entertainment.

<figure><img src="/files/VzW4gHegjzzSzBXld5mY" alt=""><figcaption></figcaption></figure>

### Sensor Data

Obtained from various sensors, this data tracks and records physical or environmental conditions, useful in fields such as meteorology, health monitoring, and industrial automation.

<figure><img src="/files/1N50Z7RIFnvhlGRIX4lL" alt=""><figcaption></figcaption></figure>


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