# How to create histograms using plotly

by l.rohitharohitha2001@gmail.com Updated: Nov 1, 2023

Solution Kit

A Plotly histogram is a type of histogram chart created using the Plotly library in Python. Plotly is a popular data visualization library that offers various interactives.

A histogram is a graphical representation of the distribution of a dataset. It displays the frequency or density of data points within different intervals.

**Types of Plotly Histogram**

- Bar Plot
- Histogram
- Box Plot
- Violin plot
- 2D Histogram
- Density plot
- Rug plot
- Error bars

**Features of Histogram:**

**Data Distribution:**A Plotly histogram helps visualize and analyze the data. It helps you understand how we can spread data values across different intervals.**Bins and Bars:**We can divide the data range into bins, each representing a range of values. The height of the bars in the Histogram corresponds to the frequency or density of data. You can customize the number of bins and the width of each bin.**Continuous or Discrete Data:**Histograms can help with continuous and discrete data. In the case of continuous data, the bins cover a range of possible values.**Data Analysis:**Plotly histograms are valuable for data analysis and exploration. They help identify central tendencies, dispersion, and skewness of outliers in the dataset.**Customization:**Plotly histograms are customizable. It can adjust the chart's appearance, such as colors, line styles, transparency, etc.**Interactivity:**One of the strengths of Plotly is its interactive capabilities. You can create histograms with zoom, pan, tooltips, and other interactive features. It allows you to explore the data in more detail.**Embedding and Sharing:**Plotly can generate web-based plots. We can embed it into web applications. This makes it a useful tool for creating interactive and shareable data visualizations.

The use of Plotly histograms is of paramount importance when it comes to analyzing data. These visual representations play a vital role in various aspects of data analysis. It displays data visually to explore relationships between data points.

Here is the example of how to create histograms using plotly.

Fig: Preview of the output that you will get on running this code from your IDE.

### Code

In this solution we are using Plotly library of Python.

### Instructions

__Follow the steps carefully to get the output easily.__

- Download and Install the Jupyter Notebook on your computer.
- Open the terminal and install the required libraries with the following commands.
- Create a new Python file on your Notebook.
- Copy the snippet using the 'copy' button and paste it into your Python.
- Run the current file to generate the output.

I hope you found this useful.

*I found this code snippet by searching for **'How to create a histogram for the given Data Frame' **in Kandi. You can try any such use case!*

### Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

- Jupyter Notebook (anaconda 3) 6.0.1 Version
- The solution is created in Python 3.8 Version
- Plotly 5.18.0 Version.

Using this solution, we can be able to create histograms using plotly using Python with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to create histograms using plotly using Python.

### Dependent Library

plotly.pyby plotly

The interactive graphing library for Python :sparkles: This project now includes Plotly Express!

plotly.pyby plotly

Python 13630 Version:v5.15.0 License: Permissive (MIT)

*You can search for any dependent library on kandi like** 'plotly.py'.*

**FAQ:**

**1. What is a bar chart, and how does it differ from a Plotly histogram? **

A bar chart and a Plotly are graphical representations used to display data. They serve different purposes and are best suited for different types of data.

**Bar Chart:**

**Purpose:**A bar chart helps represent categorical or discrete data. It displays the values of these categories as rectangular bars. They do it with lengths or heights proportional to the values.**Data Type:**Bar charts are typically used for categorical or nominal data.**X-Axis:**The categories are typically displayed on the X-axis.**Y-Axis**: The Y-axis represents the values or counts associated with each category.

**2. How does Interactive Data Visualization help illustrate data better than traditional methods?**

Interactive data visualization with Plotly offers several advantages.

- Data Exploration
- Dynamic Filtering
- Tooltips
- Comparative Analysis
- Animations
- Customization
- Cross-Filtering
- Real-Time Data
- Geospatial Visualizations
- Complex Data Representations.

**3. What is the difference between a probability density histogram and a regular histogram? **

A probability density histogram and a regular Plotly histogram both visualize data. They differ in their y-axis scaling and the interpretation of the data.

**Key Differences:**

**Scaling:**The primary difference is in the scaling of the y-axis. A regular histogram displays counts or frequencies. At the same time, a probability density histogram displays probabilities.**Total Area:**In a probability density histogram, the total area under the curve equals 1. It reflects the entire probability space.**Comparison:**Probability density histograms are particularly useful when comparing datasets with sample sizes.**Continuous Data:**Probability density histograms are more commonly used with continuous data. It is where the exact values can vary within a range, as opposed to discrete data.

**4. What are some of the advantages of using Bubble charts over other types of plots in Plotly? **

Bubble charts offer several advantages over other plots for certain types of data.

- Multivariate Data Representation
- Three-Dimensional Data
- Visual Emphasis
- Data Comparison
- Data Distribution
- Geospatial Data
- Interactive Features

**5. How do you create a plot-based graph using the library functions available?**

To create a plot-based graph, such as a plot or scatter plot, in Python using the Plotly library. You'll need to follow a series of steps. Plotly is a versatile library for creating interactive and visually appealing plots.

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