cartesian, polar, 3-dimensional, maps etc) with attached traces of various compatible types (e. plot(theta, r) ax. Scatterpolar. random. I'm plotting lots of little slices that fall into 3 or 4 categories. My assumption was, if I use a for loop to print pie charts, all the charts will be produced but the results would be shown vertically. This means that Plotly figures are not constrained to representing a fixed set of "chart types Dec 4, 2021 · 1 Answer. As usual it helps to consult the manual. x = np. Provide it with a plotting function and the name (s) of variable (s) in the dataframe to plot. This is done via the wedgeprops argument. com Dec 26, 2023 · Python Chart is part of data visualization to present data in a graphical format. reset_index() The pie chart drawn using the Matplotlib. After pasting the data, the textfield on the right will look like this: Click "P roceed" at the bottom right to go to the next step: May 26, 2020 · A pie chart is a type of data visualization that is used to illustrate numerical proportions in data. plot() df['osiguranika']. It provides two methods with same API as pandas "plot ()". subplots method which returns the figure along with the objects Axes object or array of Axes object. use the dictionary to map the names in each pie to the corresponding color. sum(). csv or an Excel or Google Spreadsheet. I am trying to add a title to a pie chart but am getting this error: 2 plt. labels = 'Frogs', 'Hogs', 'Dogs', 'Logs'. Mar 28, 2022 · Issue. pyplot as plt colors= {'Y' : ['green', 'lime'], 'IP Well, as we see here, the donut is a pie, having a certain width set to the wedges, which is different from its radius. 1f' # display the percentage value to 1 decimal place. The wedges are plotted counterclockwise, by default starting from the x-axis. death_recovery = df. figure() and then defining it’s axis’s. groupby(['Country'])[['Recovered','Deaths','Confirmed']]. So it will not be possible to use that for 9 subcategories. See more examples of polar charts. I want to use matplotlib to create the pie charts. subplots(subplot_kw={'projection': 'polar'}) ax. If you already have an account, just click on ''New Chart'' in the top row on your dashboard. let’s create pie chart in python. Parameters: x1D array-like. figure(figsize=(4,3),dpi=144) # axes object for the first pie chart. pyplot can be customized of its several aspects. Demo of a line plot on a polar axis. Jul 25, 2018 · If the data is like: one two 123456 98765 456767 45678 123454 87654. Width of the elements (wedgeprops) The argument wedgeprops is specified as a dictionary type, {'width': 0. Taking the categorical_cmap from matplotlib generic colormap from tab10 one get get more shades per hue. Here's what I have: I'd like to have a pie where each slice is the approve, disapprove or none column. Pie chart with plotly express. title on its own returns a text object, not the string itself, and expects the same. show() Explode. If that is the case for you as well, you might try: import matplotlib. See also the Left ventricle bullseye example. data_frame ( DataFrame or array-like or dict) – This argument needs to be passed for column names (and not keyword names) to be used. # the same figure for both subplots. To avoid overlapping of bars in each group, the bars are shifted -0. Rotate the Pie-chart. Array-like and dict are transformed internally to a pandas DataFrame. By default the plotting of the first wedge starts from the x-axis and moves counterclockwise: Note: The size of each wedge is determined by comparing the value with all the other values, by using this formula: I really like the "explode" option on matplotlib pie charts. columns. area_chart. The fractional area of each wedge is given by x/sum(x). The following tabs explain the code and Feb 2, 2021 · I am new to python and matplotlib and looking for some help. In this article, we will be discussing various Python Charts . x = [15, 25, 25, 30, 5] Sep 1, 2020 · There are only 2 options for gender and 3 for country. Legend only for one of two pies in pandas How can I draw labels and legend of nested pie charts using Over 16 examples of Pie Charts including changing color, size, log axes, and more in Python. select - x values. 4. df['korisnika']. select the columns which will be used for the plot. graph_objs as go fig The main aim of Cufflinks is to simplify data visualization by providing same API as that of pandas dataframe function "plot ()" but generating interactive charts using Plotly. Feb 25, 2024 · Draws a donut graph with the center portion hollowed out from a pie chart. Apr 21, 2020 · Python: Plot pie chart for every groups in Pandas. Python Program to Create Pie Charts Using Matplotlib. I have cumulative totals in row 751 in my dataframe. deg2rad(3. The python library ‘matplotlib’ provides many useful tools for creating beautiful visualizations, including pie charts. In matplotlib, the pie () function is used to create a pie chart. pie function. pie(df. sum() This sets the product name column as index of the df so change your product_data column selection to this: Jun 25, 2020 · I want to use a foor loop to iterate over my data to make a different pie chart for each position in the subplot. The following examples show two ways to build a nested pie chart in Matplotlib. In matplotlib, you can conveniently do this using plt. The second example shows how multiple pie charts can be depicted using the same data. head (8) instead of table. Such charts are often referred to as donut charts. colors = ['#99f3bd', '#fbaccc', '#a8df65', '#ff7b54'] May 29, 2017 · Making multiple pie charts out of a pandas dataframe (one for each row) 1. Pip: package management system (it comes with Python) Jupyter Notebook: an online editor for data visualization. setOnLoadCallback() with the callback that draws the chart as an input - for example, google. Python has multiple data visualization libraries and Matplotlib is one of them. To begin with, ensure you’ve imported the required module using: import matplotlib. SVG is a vector-based graphics in the XML format that can be edited in any editor. See this post: plotting different colors in matplotlib. Radar Chart with Plotly Express¶ Plotly Express is the easy-to-use, high-level interface to Plotly, which operates on a variety of types of data and produces easy-to-style figures. First create the standard object required to carry out functions using the plt. When we have two different variables and need a matrix with all combinations of these two variables, we use this method. pyplot as plt import pandas as pd import numpy as np m = pd Apr 22, 2021 · Reformed 2. So I need to create a function in matplotlib that reads the "Business" column and then builds a pie chart using each of the emotion categories for each row in the dataframe. Jun 20, 2021 · I'm trying to make a pie chart from a pandas df but they're all from different columns. The main drawback is that the pie charts are static and hence you cannot zoom on the map. I tried codes which are given on internet as: Aug 20, 2022 · Steps to plot 2 variables. explodearray-like, default: None. For example, suppose you want to draw two pie charts, showing how much pizza your friends Sarah and Anthony ate last night. set_color_cycle() method. Each chart represents different categorical data, with specified labels, sizes, and colors. If you want a specific order in the pie plot, you have to sort the pandas series generated by your value counts: import matplotlib. 0. Mar 24, 2023 · Use the update_xaxes and update_yaxes methods to assign unique titles to the x-axis and y-axis of each subplot. Plotly Express is the easy-to-use, high-level interface to Plotly, which operates on a variety of types of data and produces easy-to-style figures. pyplot as plt %matplotlib notebook data = pd. However, only the very last figure is shown. If you have multiple groups in your data you may want to visualise each group in a different color. pyplot as plt import numpy as np r = np. I was hoping to be able to "explode in groups". Read up on pie charts and feel free to play around with explode, colors, shadow etc. Simple chart elements Sep 23, 2022 · I selected categories from my data frame, please, see below, and need to plot pie charts for all categories. "new_id" would be ignored. The function receives two parameters: the list of the percentages of the Pie Chart and the colors of the corresponding slices. fracs = [15, 30, 45, 10] Check out the Matplotlib gallery to explore more chart types. Syntax: matplotlib. Set1(np. I have added the hatch color parameter as a second parameter in the color dictionary: import matplotlib. You can then use the radius argument to determine their size. pie(total_survival, labels=[str(survival_percent) + "% " + "survived", str(100- survival_percent) + "% " + "died"]) All resources that I have seen online write their title as a string within parentheses and don't include it as an argument in plt. Feb 15, 2021 · One figure to present multiple pie chart with different size. use the dictionary to create the appropriate legend. rand(12,4)*30. I want to create a pie chart with numbers and % on just line 751. In this Python program, we have used the popularity data of different Jan 10, 2014 · 38. Nov 14, 2018 · Please see here for a nested pie chart. plotly as py import plotly. Jul 24, 2021 · How can i create multiple pie chart using matplotlib. scatterplot(). pie, data visualized by the sectors of the pie is set in values. Set title for each plot. Hope this can help! vivek. The sector labels are set in names. 5. Polar plot. landmark. Let’s see it in action : import matplotlib. The `plt. Feb 24, 2021 · 1. histplot, "tip") This function will draw the figure and annotate the axes, hopefully producing a finished plot in one step. You need to create two subplots - one for each pie chart. plot. To create a pie chart with Seaborn, we first need to import the necessary libraries: import seaborn as snsimport matplotlib. The rotation is counter clock wise and performed on X Axis of the pie chart. I have started my IPython Notebook with. index. make a dictionary to map each unique name to a color. pip install matplotlib. I have used the following code and getting the results but in the pie chart, I am only getting values not the status. It generates a pie chart where you can't even see the individual values. pi * r fig, ax = plt. ) # select all labels with that position. Mar 4, 2019 · 4. In px. Dec 29, 2023 · Generate Multiple Subplots Using Pie Plot. And I also don't have anything on my figure even though I call "show" method. X = np. 2 units from the X-axis. I just want to create an age distribution. charts. add_subplot(121) will create a grid of subplots consisting. scatter, bar, choropleth, surface etc). This is my code. Let’s get started! In a pie plot, each row of data_frame is represented as a sector of a pie. map(sns. In addition to hashcode55's code: When you want to avoid making multiple DataFrames, I recommend to assign integers to your feature-column and iterate through those. Pandas: a library to prepare data for plotting. I know that I can achieve the same thing using subplot but I think grid is more convenient because I want to overlay the pie charts with objects afterwards and I think the positions are more accessible as with subplot. csv'. read_csv('cleaned_df. Approach: Dec 14, 2020 · Want I want to do is sum each column and represent the total of each age bracket using a bar graph and/or a piechart in python. Feb 25, 2021 · Plotting the multiple bars using plt. This snippet shows how to add hatching in custom colors to a pie chart. "iplot ()": This method provides the majority of parameters which are almost the same as that of plot () which In the example above, we built a simple pie chart. 2. import pandas as pd. Please see an example However, your approch seems to be an unnecessary workaround for me, because you can accomplish the donut shape by using the wedgeprops kwarg with its width parameter (see here for further ones): try e. Plot a pie chart of animals and label the slices. We first create some dictionaries of common properties, which we can later pass as keyword argument. Apr 7, 2017 · 2. Example 2: Adjust Colors of Pie Chart Sectors. The only mandatory argument is the data we'd like to plot, such as a feature from a dataset: [ ] import matplotlib. iloc[i[0]%len(df),i[0]//len(df)] i[0] += 1. Jun 8, 2022 · Is there a way to split a pie chart in to 2 from the same set of values. We then want to label the wedges via annotations. The Data below is what my data looks like. Nov 22, 2017 · How do you plot more than 2 pie charts using plotly? For example, how do you put two more plots in the two pie charts as seen here: `import plotly. The wedge sizes. This Python program contains a simple program to generate pie charts using the Matplotlib Python library. Aug 30, 2019 · The tab20c colormap has 4 shades per hue. seed(1) t = "Plot a pie chart with different sized pies all in one figure". By default, it returns a figure with a single plot. If you want to show the % symbol on the pie chart, you have to write/add: Jun 16, 2021 · The following code shows how to create multiple Seaborn plots in one figure: #define grid with two plots per row. Jul 10, 2024 · For each chart on the page, add a call to google. Finally, the multiple bar charts for both boys and girls are plotted in each group. Loop over the selected data. /LAB03-DATA VISUALIZATION USING MATPLOTLIB/singapore-residents-by-ethnic-group-and-sex-end-june-annual. select - y values. Basic Pie Chart. df. So, run the code below May 6, 2013 · 119. For example, autopct = '%. Then there are also interactive charting libraries like Vega Lite (2D charts) and deck. 2f' # display the percentage value to 2 decimal places. sin ( x) Mar 27, 2023 · Pie charts are statistical graphs divided into slices that represent different data values and sum up to 100%. For example, the population corresponding to each age group. And it would be great if the charts would be next to each other, not Jan 10, 2024 · Matplotlib API has pie () function in its pyplot module which create a pie chart representing the data in an array. A. The data is stored in a pandas dataframe. The following code will do it (explanation in comments): import matplotlib. get_level_values(1) Now you can turn the above values into one-dimensional arrays and plug them into your plot calls: import matplotlib. get_position() == pos] # calculate the angle with respect to the center of the pie. In the given data, 'Phase' and 'Peak' are combinations where 'Component' is running. In Step 1: ''Upload'', you can copy & paste your dataset or upload it as a . cs=cm. return a. I am surprised that I have not found a duplicate for this presumably common question. All the code snippets below should be placed inside one cell in your Jupyter Notebook. You can mix and match many different ideas in one figure by employing multi-plot grids. pie. I then took a sum of the values for each source and passed that to plt. Dec 28, 2022 · Example 1. I'd like to explode all the little slices together, as groups. #read the csv file. It's as easy as it gets. Nov 16, 2019 · This is my current code that only allows me to print 2 pie charts vertically: import matplotlib. You should look at domain parameter to make subplots from piecharts. Make a pie chart of array x. 3)) instead of painting the white circle manually after each pie creation. Pie Chart Example. 6, shadow=False, Jun 8, 2020 · I am plotting a pie chart with pandas plot function, with the following code and matplotlib: python; pandas; Common legend for multiple pie chart plots. It takes in a float which determines the absolute radius of your pie. Jul 21, 2021 · 2. ) Beside using colormaps, also consider using . You can rotate the pie-chart by setting a strartangle. When I run your code verbatim, I get a lot of repeated colors. Shadow effect can be provided using the shadow parameter of the pie () function. setOnLoadCallback(myPieChart). This method forms a matrix defined by row and column faceting variables. 1. I face 2 issues, I don't know how to give the position while iterating. You can extract the Pandas valuecount - this will be a Series - then use it with the snippet I have provided. Draw pie charts with a legend. arange(40)/40. FacetGrid(tips, col="time") g. FacetGrid(data=tips, col='day', col_wrap=2) #add histograms to each plot. Aug 1, 2021 · Example 2: Multiple Pie Charts with Matplotlib. Method 1: Using Plotly Subplots Function The make_subplots function from Plotly’s plotly. Matplotlib is widely used because of its simplicity and ease of implemen Mar 8, 2021 · Output: To plot multiple pie charts in R using ggplot2, we have to use an additional method named facet_grid (). I've already built a bar plot, but I am having no luck with the pie chart. x: the number of occurrences for each label. The width of the bars of each group is taken as 0. Jul 20, 2021 · The Python data visualization library Seaborn doesn’t have a default function to create pie charts, but you can use the following syntax in Matplotlib to create a pie chart and add a Seaborn color palette: Apr 15, 2014 · Here is an example with some random data replicating the occurrence of overlapping labels: offset = np. Matplotlib’s function pie() needs only two parameters to draw a pie chart: labels: the categorical labels. I am trying to build multiple pie charts for columns 'Phase' and 'Peak' and data in pei to be 'Component' as label and 'Occurrence' as the sum. subplots` function generates the subplot grid, and each subplot is then filled with a pie chart using the `pie` function. Nov 24, 2020 · Python pie chart / Show several columns combined. Multiple pie charts from pandas dataframe. import plotly. pyplot as plt. Feb 28, 2022 · Syntax to install seaborn and matplotlib libraries: pip install seaborn. It rotates the start of the pie chart by specified value in degrees counterclockwise from the x-axis. If not None, is a len(x) array which specifies the fraction of the radius with which Sep 18, 2022 · I'm trying arrange n pie charts in a tkinter grid. I have following sample data and program which I tried. Matplotlib: a plotting library. # fig. 01) theta = 2 * np. Nov 28, 2018 · 1. import numpy as np; np. How to plot two pie charts side by side in autopct enables you to display the percentage value of each slice using Python string formatting. #corresponding color-label pairs. This is where the autopct Jul 24, 2022 · Let’s draw our first pie chart to do that. However, all data are plotted together on a single chart. To create a nested pie chart, we’ll need the following: Python installed on your machine. We will clearly explain how multiple charts can be created using matplotlib or seaborn but let’s first think about some of the ideas that can be implemented in a multiplot chart: Different colors: You can use different color schemes Jul 18, 2016 · Use this if you want to create quicker arrangements of subplots. subplots() ax. Display the plot using the show method. Plot a pie chart. pie() so I'm not sure Apr 27, 2020 · Now I want to create a pie chart which will tell the status of all the issues we have in the excel sheet. Charts are composed of at least one series of one or more data points. Once done, the plt. Following the comment on link-only answers, the keyword radius is what you are looking for in your call to pie(). I am trying to create a loop that'll create a pie chart for the percent recovered vs how many have died in relation to the amount of confirmed cases. line_chart and st. wedgeprops=dict (width=. ipython notebook --pylab inline. Specially using canvas, and the create_arc function to create the slices of the Pie Chart. May 24, 2019 · The pie chart does not 'know' that you want all items with same product name grouped and summed over in your chart. 4 units. graph_objs as go. Let’s look at the distribution of tips in each of these subsets, using a histogram: g = sns. They're an intuitive and simple way to visualize proportional data - such as percentages. from plotly. Chart Types versus Trace Types. set_rmax(2) ax. Feb 28, 2024 · The desired output is to present a clear arrangement of multiple pie charts of specified sizes within a single figure using Python’s Plotly library. The syntax is given below: matplotlib. Drawing nested pies thereby requires multiple calls to pie(), each with a different value of radius. We’ll iterate only 8 rows in this example so we’re using table. 3. Then how a pie chart can be formed for say 1st row values ie values 123456,98765in pandas ?. Now we’ll create multiple Matplotlib pie (donut) charts with a legend. # Create data. histplot, 'tip') Here’s what we did with this simple code: Specified to group by the variable ‘day’. In this second example, we will modify the color of the sectors of the pie chart. pyplot as plt labels = 'Frogs', 'Hogs', 'Dogs', 'Logs' sizes = [15, 30, 45, 10] fig, ax = plt. Nov 25, 2017 · I have the following code from edited from: How to plot pie charts as subplots with custom size with Plotly in Python import plotly import plotly. I want to group them and plot the count of them in a pie chart using python. Extend the number of shades per hue. show() The other option is to plot the pie charts individually by looping over the columns. We’ll use the for loop to iterate rows and create a pie chart for each of them. gupt February 8, 2021, 2:50pm 3. 5) # Move radial labels Feb 17, 2021 · 2. dup_labels = [l for l in labels if l. labels = ['part_1','part_2','part_3'] Mar 28, 2017 · You can use subplots to place the pies into the figure. The most straightforward way to build a pie chart is to use the pie method. See full list on stackabuse. Jun 12, 2020 · What I would like is to show the absolute and relative frequencies using a pie-chart and a bar chart stating the absolute values and the percentages of all the columns so in this case there will be 10 pieces of the pie and 10 bars; for example for col= Q1_5, the values will be 20% (2 items) Dec 19, 2021 · Pygal is a Python module that is mainly used to build SVG (Scalar Vector Graphics) graphs and charts. graph_objs as go py. 5) would create donuts (pie charts with holes in the center). I have a list containing covid data, 98. csv') Dec 26, 2021 · The area of the slices is equal to the percentage of the parts of the data. select_dtypes(include=['number']). g. pyplot. In this example the Python code uses Matplotlib to create a 2×2 grid of pie charts. offline as py import plotly. Each pie chart should be displayed in a separate grid position. Oct 19, 2020 · ax1. We’ll plot multiple graphs in one figure with a loop, in one script. Create plot figure and select size. Description. Code: Python3. And finally we also provide a few chart types that are "native" to Streamlit, like st. Wedge object; therefore in addition to For a Radar Chart, use a polar chart with categorical angular variables, with px. Since this is all about proportions, we’re bound to run into Float values some where down the line. In this post, we will discuss how to use ‘matplotlib’ to create pie charts in python. Aug 9, 2016 · The best I could come up with so far is to plot pie charts specifying the x and y domain and setting the background of the plot as an image of the map. In our example, it’ll be the age groups. #. plot() This is working fine, it will draw two lines, but on the same chart. and I get 5 unique values of the landmarks. The following example shows how to Jul 21, 2016 · I have a column in my data called landmark, There are 5 different values of landmark that repeat multiple times. subplots module allows for the creation of a figure with a grid layout onto which pie charts can be Jun 22, 2017 · I suspect that this is related to the fact that ax1. Ask Question Asked 4 years, Making multiple pie charts out of a pandas dataframe (one for each row) 6. Here, we are plotting a bar graph hence using the bar () method and the show () method to display the graph. Plotting 2 pie charts side by side in MatPlotLib. Example 1: Let’s take an example of 5 classes with some students in it and plot a pie chart on the basic number of students in each class. import matplotlib. filename = '. Let’s see how to plot different types of pie charts using realtime data. Python3. Import Matplotlib and Pandas module, and read the excel file using the Pandas read_excel () method. Any and all help is much appreciated! Feb 15, 2020 · Below is an example of a compound pie chart, also known as a pie of pie chart drawn using Excel. Plotly's figure data structure supports defining subplots of various types (e. Here is an approach: make a set containing all the names. Here is an example: import matplotlib. import seaborn. 4% of which is from china, the rest, from 20 different countries. g = sns. arange(0, 2, 0. sum()) I will leave the rest to you. It helps people understand the significance of data by summarizing and presenting huge amounts of data in a simple and easy-to-understand format and helps communicate information clearly and effectively. Python is one of the most popularly used programming languages for data visualization. Related course: Data Visualization with Matplotlib and Python. linspace (0, 10, 100) y1 = np. Seaborn, a Python data visualization library, offers an easy and intuitive way to create stunning pie charts. After reading data for the x-axis and y-axis from the excel file. fig = plt. Do you have any suggestions on how to solve it? num_var = census. This is my code in one cell. line_polar, or with go. Plot the graph using the Matplotlib library. pie(sizes, explode=explode, labels=labels) plt. In this code I define a function "createPieChart" that creates a Pie Chart using Python and tkinter. autopct = '%. The donut graph is drawn by changing the width of the pie chart using the wedgeprops argument of the Axes. 3}. gl (maps and 3D charts). Show Code. pie() method, and also defined the values = and names = arguments to build the pie chart. Pygal can create graphs with minimal lines of code that can be easy to understand. 5, 2]) # Less radial ticks ax. In the code, we simply passed the DataFrame to the px. python 1- Creative Ideas. pie(df[col], labels=None, colors=colors, wedgeprops=dict(width=. To add labels, pass a list of labels to the labels parameter. The startangle parameter rotates the pie chart by the specified number of degrees. Matplotlib Python has an extensive library for creating stable, animated, and interactive data visualizations. pie(subplots=True, figsize=(12, 6),autopct=absolute_value) plt. To plot a pie chart in Matplotlib, we can call the pie () function of the PyPlot or Axes instance. Code: values=[16, 15, 12, 6, 5, 4, 42], Jan 16, 2024 · To create multiple plots use matplotlib. I would like to draw each line on a separate chart. I would like to create a seperate pie chart for both "Gender" and "Country" to show how many times each option shows up in the data but I'm quite confused about how to do so. so you have to do that first: df = df. Pie As you can see the pie chart draws one piece (called a wedge) for each value in the array (in this case [35, 25, 25, 15]). set_rticks([0. Half Pie Chart A half pie chart is also known as half-moon or semi-circle pie char May 18, 2023 · Pie charts are a popular way to represent data in a clear and concise manner. g. Scatter plot. pie(sizes, labels=labels) Each slice of the pie chart is a patches. import numpy as np. tolist() num_var Jun 22, 2022 · I need to use for loops to print multiple pie charts within a function, preferably horizontally. Crafting a Pie Chart with Matplotlib. How can i create multiple pie chart using matplotlib. For example, to make two piecharts in a 1 row (xaxis), you can specify how much place will occupy by first and second plots (from 0% to 50% for first and from 50% to 100% for second). pie (data, explode=None, labels=None, colors=None, autopct=None, shadow=False) Parameters: data represents the array of data values to be plotted, the fractional area Jan 22, 2017 · My task is to create pie charts showing the % of emotions for each type of business. data = [44, 45, 40, 41, 39] Jan 26, 2022 · 1. bar ( ) function. 2 units and +0. . 5, 1, 1. subplots import make_subplots. unique () stations is the name of my dataframe. Jan 17, 2018 · a = df. Optional: if missing, a DataFrame gets constructed under the hood Oct 22, 2018 · XlsxWriter is a Python library using which one can perform multiple operations on excel files like creating, writing, arithmetic operations and plotting graphs. Scatteplot is a classic and fundamental plot used to study the relationship between two variables. set_rlabel_position(-22. You need colors argument, beside that you can use some color maps from cm. Import library - seaborn. pie() method is readily available for creating your pie chart. pie(x, explode=None, labels=None, colors=None, autopct=None, pctdistance=0. Sorted by: 1. We can extract the appropriate labels from the MultiIndex with its get_level_values() method: inner_labels = inner. Select data to be plot. This example also tells us that we can use different datasets for building multiple pie charts for comparison studies. I get unique values from cities=stations. groupby('source')['value']. nrows, ncols attributes of subplots () method determine the number of rows and columns of the subplot grid. Specified to display 2 plots per row. Once this is done, pass the appropriate data sets into the pie() function. groupby(["Product Name;"]). ax. plt. ws bv uo ki zs pg ce zc kq sz