Pandas plot xticks size. get_xticklabels(): tick. set_xticks (self, ticks, minor=False) Parameters: This method accepts the following parameters. StepsImport matplotlib and numpy. 5 (center) If kind = ‘scatter’ and the argument c is the name of a dataframe column, the values of that column are used to color each point. pyplot as plt fig, axes = plt. scatter Make a scatter plot with varying marker point size and color. plot? I tried: plt. tick_params method is very useful for stuff like this. boxplot Make a box plot. The question is clear but the title is not as precise as it could be. MonthLocator(interval = 1)) with ax. . pyplot as plt plot Jul 23, 2025 · Output: Handling Overlapping Labels Conclusion In this article, we discussed various methods to set DataFrame column values as X-axis labels in Python Pandas. xlabel('OX') plt. 274 4 10. hist Make a histogram. pyplot as plt levels = pd. yticks # matplotlib. gcf(). ticks : This parameter is the list of x-axis tick locations. I want: to have dotted grids at an interval of 5; to have major tick labels only every 20; Notes See matplotlib documentation online for more on this subject If kind = ‘bar’ or ‘barh’, you can specify relative alignments for bar plot layout by position keyword. Here is the dataset structure Here is the result of the . show() This solution give you explicit control of the tick spacing via the number given to ticker Jun 17, 2011 · In a matplotlib figure, how can I make the font size for the tick labels using ax1. hexbin Make a hexagonal binning plot of two variables. set_fontsize() or plt. tick_params ax. xticks (rotation=) This is a Figure-level function from matplotlib. ax3 couldn't use axes. The number 1 is at the 0 index of xticks, then it goes to index 7 which is number 8 in the dataframe, and then it goes to index 14 which is number 15 in the dataframe. png') plt. plot () I was trying to use examples from other posts and matplotlib documentation and do something like ax. plot () function for values of the x-axis we used the values of list x, and for the y-axis, we used the values of list y and set some labels to x-axis and y-axis by using the function xlabels () and ylabels (), and set the tick frequency by using xticks () function in which we pass arrange I like this solution (from the Matplotlib Plotting Cookbook): import matplotlib. axes: plt. plot ()` offers a straightforward yet powerful way to visualize data directly from DataFrames. area See pandas. plot(x,y) ax. The second subplot has xticks at positions 1, 4, 6, and 9 with labels ‘One’, ‘Four There are two ways: Use the axes methods of the subplot object (e. Manual location and formats # The simplest method to customize the tick locations and formats Jul 10, 2023 · This will create a simple line plot of the “sales” column against the “year” column. xticks` function, you can easily rotate the tick labels to prevent overcrowding and overlapping. set_xticklabels) or Use plt. Jul 23, 2025 · Matplotlib has the ability to customize ticks and tick labels on axes, which enhances the readability and interpretability of graphs. In the first subplot, xticks are placed at positions 2, 5, and 7 with labels ‘Two’, ‘Five’, and ‘Seven’. minor : This parameter is used whether set major ticks or to set minor ticks Return value: This method does matplotlib. 38 30. set_major_locator( dates. Steps Construct a new Generator with the default BitGenerator (PCG64). set_xticklabels() smaller? Further, how can one rotate it from horizontal to vertical? See also matplotlib. close() And it gives me that figure: As you can see, the "step" on axis X is 0. If kind To change the font size of xticks in a matplotlib plot, we can use the fontsize parameter. rc('xti Detailed examples of Formatting Ticks including changing color, size, log axes, and more in Python. Axis ticks # The x and y Axis on each Axes have default tick "locators" and "formatters" that depend on the scale being used (see Axis scales). datetime64 objects to and from Matplotlib's internal representation. By passing the rotation argument, you can easily angle the Sep 20, 2023 · In this tutorial, we'll go over how to change the tick frequency in Matplotlib, both for the entire figure as well as axis-level tick frequency customization with examples. These styles can change multiple aspects of your plot, including the font size of xticks, with just a single line of code. This c Mar 25, 2018 · I'm currently attempting to graph a fairly small dataset using the matplotlib and pandas libraries. Jul 23, 2025 · There are many ways to change the interval of ticks of axes of a plot of Matplotlib. Parameters: ticksarray-like, optional The list of xtick locations. labels: List of xlabel text location. using ax. Some of the easiest of them are discussed here. If kind I'm trying to set the ticks (time-steps) of the x-axis on my matplotlib graph of a Pandas DataFrame. set_xticklabels(df['Month'], rotation=45) - by using additional method applied on plot object plt. We'll use the fontsize argument, as well as tweak the rc parameters to change the style. How can I make the gaps uniform? Sep 19, 2023 · In this tutorial, we'll take a look at how to change the font size in a Matplotlib plot. bar or pandas. 145 7. plot and specifying secondary_y=True. How does one change the font size for all elements (ticks, labels, title) on a matplotlib plot? I know how to change the tick label sizes, this is done with: import matplotlib matplotlib. colorbarbool, optional If True, plot colorbar (only relevant for ‘scatter’ and ‘hexbin A Series is a classified one-dimensional array that can preserve any data. Jul 23, 2025 · Customizing axis labels in Pandas plots is a crucial aspect of data visualization that enhances the readability and interpretability of plots. In this article we will explore different ways to plot a Pandas DataFrame using Matplotlib's various charts. The labels are used as is, via a FixedFormatter (without further formatting). read_csv('US_temp. To plot a Pandas multi-index data frame with all xticks, we can take the following steps − Set the figure size and adjust the padding between and around the subplots. A bar plot shows comparisons among discrete categories. Explore label rotation, font size, alignment, and advanced formatting with practical examples. This snippet creates a figure with two subplots arranged vertically. It is possible to customize the ticks and tick labels with either high-level methods like set_xticks or set the locators and formatters directly on the axis. Method 1: Using matplotlib One way to set x-axis intervals (ticks) is to use the xticks() function from the matplotlib library. Before we start, ensure you have the necessary libraries using: pip install pandas matplotlib Types of Data Visualizations in pandas. 4 (all updated) The xticks of pandas date plot (datetime64 Series) is in strange gaps. Setting Ticks and tick labels - using set_xticks () and set_yticks () In Matplotlib, ticks are markers on the axes of a plot that denote specific Jul 23, 2025 · We imported the matplotlib. 8] plt. ticker as ticker x = [0,5,9,10,15] y = [0,1,2,3,4] tick_spacing = 1 fig, ax = plt. The second subplot has xticks at positions 1, 4, 6, and 9 with labels ‘One’, ‘Four Dec 9, 2020 · Explanation: Firstly, in the above example, the ‘N’ is 100 and range (N) is an argument to the plt. matplotlib. Jul 12, 2025 · The Axes. Nov 3, 2017 · In Python 2. Conquer plotting with Pandas. To change the font size of xticks in a matplotlib plot, we can use the fontsize parameter. It's like applying a filter to a photo that changes the look and feel instantly. If string, load colormap with that name from matplotlib. plot(x = 'm_srcaddr') plt. read_csv(r'F:. figure (figsize= (10, 5)) and %matplotlib notebook but none of them work. When changing the width of the bars, it might also be appropriate to change the figure size by specifying the figsize= parameter. xticks (). Note that there is also ax. Imagine you have data on average temperatures over a week, and you want to visualize it using a bar chart. Dec 24, 2023 · Rotating x-axis tick labels in a Pandas plot is a simple yet effective way to improve the visual appeal and readability of the plot. 205 3. set_xticks; the number of labels must match the number of locations. MaxNLocator(3)). xticks(), and plt. Axes. This function takes two arguments: the first argument specifies the locations of the ticks, and the second argument specifies the labels for the ticks. dates module provides the converter functions date2num and num2date that convert datetime. With its seamless integration with Matplotlib and a wide array of plot rotint, default None Rotation for ticks (xticks for vertical, yticks for horizontal plots). Jan 24, 2022 · Picture is truncated at the bottom for simplicity of this post) add line spacing between the labels for the current x axis so it helps reading (will be on the y axis if step 1 is done). set_minor_formatter(mdates rotfloat, default None Rotation for ticks (xticks for vertical, yticks for horizontal plots). 2,1. Create x and y data points using numpy. Date tick labels # Matplotlib date plotting is done by converting date instances into days since an epoch (by default 1970-01-01T00:00:00). 143 888. Jul 16, 2025 · To establish x-axis intervals, you can utilize either the xticks() function directly from matplotlib or through pandas’ plotting interface itself. Not the answer you’re looking for? Browse other questions tagged python pandas matplotlib or ask your own question. set_xticklabels(ax. 1, pandas 0. If you are not changing the tick positions from the default ones, you can just change the font size of the tick labels without changing the text using ax. Nothing beats bar charts for simple visualization and speedy data exploration. for ax in plt. 000 1 10. 97 I added this to a data Jul 23, 2025 · locs: List of xticks location. plot (x, y), it customizes the font size of tick labels on both the x-axis and y-axis using the fontsize parameter in plt. I want to increase the font sizes of the y-axis tick params, but it seems that only the left side y-axis font size is increasing. 2,4. xticks(rotation=90) fig. 144 1044. Preparation for datetime plot (optional) Before starting with the plot we need to ensure two things in order to plot datetime correctly: 3. DataFrame. use("Agg") import matplotlib. plot (x, y), X-axis labels are rotated 45° using ax. Using plt. The font of other text could be set. subplots () and ax. Learn various methods to customize tick positions and labels, enhancing your data visualizations for better clarity and impact. 141 92. It can be thought of as an unmarried DataFrame column. 592 3 10. Effective labeling is crucial as it enhances the readability of plots and allows for better data interpretation. rotfloat, default None Rotation for ticks (xticks for vertical, yticks for horizontal plots). colorbarbool, optional If True, plot colorbar (only relevant for ‘scatter’ and ‘hexbin Feb 2, 2024 · Using fontsize in xticks and yticks: Directly sets the font size for both the x-axis and y-axis tick labels, offering a straightforward approach. pandas. The axis Locator is replaced by a FixedLocator See also matplotlib. Draw samples from a log-normal distribution. Method 1 : xticks () and yticks () The xticks () and yticks () function takes a list object as an argument. set_xticks # Axes. yticks(ticks=None, labels=None, *, minor=False, **kwargs) [source] # Get or set the current tick locations and labels of the y-axis. 7, Jupytermatplotlib 3. pyplot as plt x = [1,2,3,4,5] y = [1. If increasing the size of the plot is needed, please suggest how to do so. xlabel(ax. Make line, bar, or scatter plots of DataFrame series with the index on the x-axis using matplotlib / pylab. sca(ax) plt. colorbarbool, optional If True, plot colorbar (only relevant for ‘scatter’ and ‘hexbin Here, we have used kind='bar' inside the plot() method to create a bar plot of the given data. If necessary, the view limits of the Axis are expanded so that all given ticks are visible. 9,3. Passing an empty list removes all xticks. xticks(rotation=90) In case of using pandas or seaborn to plot, assuming ax as axes for the plot: ax. index, bymonthday=1 rotfloat, default None Rotation for ticks (xticks for vertical, yticks for horizontal plots). plot chooses dates that are approximately 3 months apart as ticks. show (). 5 but I would like to set it to 1. set_minor_locator(mdates. The elements in the list denote the positions of the corresponding action where ticks will be displayed. 7, I am attempting to plot (line plot) the columns of a pandas dataframe as subplots in one figure, with the columns representing a time series of prices for different products. Plot ()’ characteristic makes Learn how to customize x-axis labels in Matplotlib bar plots. Plot the x an matplotlib. Basic Plotting with Pandas Now that we know how to work with Pandas’s fact structures, let’s examine how to expose information. 958 294. This can make the chart easier to read and interpret, especially when dealing with dense or sparse data. set(xticks=([0, 7, 14]), the numbers refer to indices. xticks(rotation=90) #import matplotlib. Axes objects. autofmt_xdate() In all of them we can pass the rotation parameter to specify the angle by which you I came across this different behaviour in the third example plot below. Syntax: Axes. You can increase or decrease the number of ticks depending on the level of detail you want to show. pyplot module as plt, NumPy as np, and then plotted a bar graph by using plt. I am trying to plot m_srcaddr as x-axis and other 2 columns as y axis. From '2020-01-01' to '2021-01-01'. But I want to change fontsize for x and y-axis separately. The format of the dataset is a CSV file. If kind Aug 17, 2021 · Notice how in ax. dates as shown in this example the date format can be applied to the axis label and ticks for plot. Matplotlib provides with a number of functions to help overcome this. subplots(1,1) ax. plot with kind='bar'. Using MaxBLocator MaxNLocator from matplotlib. The plt. Pandas, a powerful data manipulation library in Python, offers several methods to customize axis labels, particularly when using its plotting capabilities built on top of Matplotlib. MultipleLocator(tick_spacing)) plt. Apr 1, 2025 · Let’s jump right into a practical example of using pandas xticks in your plots. bar # DataFrame. df. colorbarbool, optional If True, plot colorbar (only relevant for ‘scatter’ and ‘hexbin Apr 1, 2024 · In conclusion, Pandas’ `df. Nov 10, 2021 · You can use the following basic syntax to set the axis ticks in a Matplotlib plot: #set x-axis ticks (step size=2) plt. tick_params(axis='x', labelsize=8) matplotlib. dates as mdates and run ax. Jul 23, 2025 · Customizing plot labels in Pandas is an essential skill for data scientists and analysts who need to create clear and informative visualizations. Explore techniques like set_xticks(), set_yticks(), plt. One axis of the plot shows the specific categories being compared, and the other axis represents a Jul 16, 2025 · Learn how to use Matplotlib's set_xticks method to customize x-axis ticks in Python plots with practical examples tailored for data visualization in the USA. Plot the x an Jun 17, 2011 · In a matplotlib figure, how can I make the font size for the tick labels using ax1. By using the `rotation` parameter of the `plt. For pandas timeseries I recommend import matplotlib. Notes See matplotlib documentation online for more on this subject If kind = ‘bar’ or ‘barh’, you can specify relative alignments for bar plot layout by position keyword. Making a Series from either a listing or an array is clean. Aug 17, 2021 · Getting Started How xticks and xticklabels Really Work: a Walkthrough I was recently creating visualizations in Seaborn, which is based on Matplotlib, and when labeling the x-axis, I wasn’t How to change xticks font size in Python pandas? You may specify axis like ‘x’ or ‘y’ instead of ‘both’. 335 175. tick_params( axis='x', # changes apply to the x-axis which='both', # both major and minor ticks are affected bottom Mar 7, 2024 · The output shows two subplots with the xticks set at specified positions [2, 5, 7] and [1, 4, 6, 9] with custom labels. pyplot that sets or rotates the tick labels on the X-axis. Set the figure size and adjust the padding between and around the subplots. A bar plot is a plot that presents categorical data with rectangular bars with lengths proportional to the values that they represent. 0. 139. 1,4. subplots(nrows=3, ncols=4) # Set the ticks and Dec 9, 2020 · Explanation: Firstly, in the above example, the ‘N’ is 100 and range (N) is an argument to the plt. df. I have some code: #!/usr/bin/env python import matplotlib matplotlib. I also try ax. How to plot, label, rotate bar charts with Python. set_xticklabels and set_yticklabels Methods: Explores the use of these methods to customize font size, providing more granular control over tick label appearance. Which in most cases works but it does not look good visually. This code turns off major and minor ticks and removes the labels from the x-axis. Here is the dataset: DATE,UNRATE 1948-01-01,3. Feb 18, 2023 · In this article, we will explore how to prevent overlapping x-axis tick labels. plot. Sep 18, 2022 · 6 From the package matplotlib. colorbarbool, optional If True, plot colorbar (only relevant for ‘scatter’ and ‘hexbin Note this method should only be used if you are fixing the positions of the ticks first (e. plot(range(10)) plt. pyplot as plt import matplotlib. xticks (np. See the ecosystem page for visualization libraries that go beyond the basics documented here. Pandas, a powerful data manipulation library in Python, provides a convenient interface for creating plots with Matplotlib, a comprehensive plotting library. set_xticklabels() smaller? Further, how can one rotate it from horizontal to vertical? Jul 12, 2025 · matplotlib. As an example (this also illustrates using setp to change the properties of all of the subplots): import matplotlib. plot Plot y versus x as lines and/or markers. colormapstr or matplotlib colormap object, default None Colormap to select colors from. Thus to adjust the constant spacing, the xticks label the figure size increased by the figsize () function. ax. pyplot. We have also used the figsize=(8,10) parameter inside plot() to set the custom size of the figure to be 8 inches in width and 10 inches in height. (The title has now been corrected). How to make it? When I use plt. set_major_locator(ticker. the plt interface). rotfloat, default None Rotation for ticks (xticks for vertical, yticks for horizontal plots). 442 2 10. 30 I am plotting time series using pandas . ticker We provide the basics in pandas to easily create decent looking plots. From 0 (left/bottom-end) to 1 (right/top-end). set_minor_locator(plt. Parameters: ticksarray-like, optional The list of ytick locations. dates as mdates import pandas as pd df = pd. 23. 41 If using plt: plt. Whether you use Matplotlib directly, the Pandas plot interface, or advanced techniques like setting the DataFrame index Sep 11, 2020 · When you plot time series data using the matplotlib package in Python, you often want to customize the date format that is presented on the plot. The matplotlib. get_xticklabels(), rotation=90) Another way of doing the above: for tick in ax. xaxis. Parameters: ticks1D array-like Array of tick locations (either floats or in axis units). It provides Jul 23, 2025 · Output Explanation: A plot is created with plt. xticks () function is used to get or set the x-axis ticks in a plot. csv') Jul 13, 2020 · I am using matplotlib to draw a plot between a value and its corresponding date. rcParams. set_xticks). savefig('figure1. colorbarbool, optional If True, plot colorbar (only relevant for ‘scatter’ and ‘hexbin Jul 23, 2025 · Output Explanation: After plotting the data using plt. 1. DataFrame. 50 11. fontsizefloat, default None Font size for xticks and yticks. Why am I able to correctly edit the x-axis' ticks with pandas line() and area() plots, but not with bar()? What's the best wa Dec 5, 2019 · I am new to python and plotting and I am stuck on trying to adjust the tick labels to appear under the bins. from matplotlib import pyplot as plt plt. yticks() to create effective and visually appealing plots. Aug 16, 2017 · how to change xticks font size in a matplotlib plot [duplicate] Asked 8 years ago Modified 3 years, 1 month ago Viewed 40k times Jul 23, 2025 · Changing the number of ticks in Matplotlib improves the clarity of a plot by controlling how many tick marks appear along the axes. MonthLocator(revenue_pivot. fontsizeint, default None Font size for xticks and yticks. plot(kind='bar', rot=0) - pass the parameter to plot functions applied to DataFrame ax. Set datetime as index Dataframe above has a datetime index by default. When using Python 3. And what about with the higher-count column? Nov 27, 2021 · I have a plot with a left and right y-axis created with pandas. parallel_coordinates(frame, class_column, cols=None, ax=None, color=None, use_columns=False, xticks=None, colormap=None, axvlines=True, axvlines_kwds=None, sort_labels=False, **kwargs) [source] # Dec 31, 2021 · To learn more about creating DataFrames for tests in Pandas refer to: How to Easily Create Dummy DataFrame with Test Data? 3. If kind Mar 16, 2021 · Using Pandas, we can create a dataframe with time and speed, and thereafter, we can use the data frame to get the desired plot. Plot ()’ characteristic makes Sep 28, 2023 · To rotate the X-axis tick labels in a Pandas plot, you can use 3 different ways: df. ma as ma import pandas as pd import datetime import matplotlib. plot(x,y) plt. tick_params () for better readability and the plot is shown with plt. arange (min (x), max (x)+1, Sep 11, 2023 · Below shows a plot of simulated data, which contains the xticks that I want to modify. 360 214. 80 46. This article will explore setting ticks and tick labels, providing a clear example to illustrate the core concepts. e. Pass no arguments to return the current values without modifying them. yticks (fontsize=12). plotting. If this is not the case for you may need to convert Jan 2, 2020 · I'm trying to plot a figure by pandas. Below I have given an example for labeling axis ticks for multiplots import matplotlib. sca to set the current axes for the pyplot state machine (i. Passing an empty list removes all yticks. set_xticks(ticks, labels=None, *, minor=False, **kwargs) [source] # Set the xaxis' tick locations and optionally tick labels. xticks(ticks=None, labels=None, *, minor=False, **kwargs) [source] # Get or set the current tick locations and labels of the x-axis. labelsarray-like, optional The labels Jul 23, 2025 · Example 1: Adjust Number X - Ticks using set_xticks () In this example, we are setting a number of xticks to the length of data present in dataframe. datetime and numpy. When the data is large to plot, the ticks squishes themselves to fit the figure. plot() often displays the minor_locator, so you might want to try ax1. My goal is to use the first column of the DataFrame to use as the ticks, but I haven't been successful so far. This article will guide you through the process of customizing plot labels in Pandas A Series is a classified one-dimensional array that can preserve any data. But xlabel couldn't be set. tick_params for matplotlib. But see how the xticks count off 1, 2, 3 and not 1, 8, 15. Also remember to substitute the 3 for the number of ticks that you want to display. xticks # matplotlib. Feb 1, 2024 · Applying Styles to Your Plot Matplotlib also comes with a variety of styles that you can apply to your plots. import numpy. By default, the pd. set_rotation(45) @Mithril, df. set_xticks () function in axes module of matplotlib library is used to Set the x ticks with list of ticks. Default is 0. 141 2479. 68 4. axes. xticks (fontsize=12) and plt. Texts for labeling each tick location in the sequence set by Axes. plot () and want to see every month shown as an x-tick. 006 . I want to create a barplot from pandas. Sep 15, 2015 · I have a data frame with head as: m_srcaddr total_fwd_size total_rev_size 0 10. set_xlabel() parameter. bar(x=None, y=None, **kwargs) [source] # Vertical bar plot. Learn how to customize the date format on time series plots created using matplotlib. set_xticks and ax. 146 2756. kde Make Kernel Density Estimate plot using Gaussian kernels. Example #1 : In this example, we will be setting up the X-Axis Values in Matplotlib using the xtick () function in the python programming language. g. Basic Plotting Functions Pandas’s ‘. get_xlabel(), rotation=90) Jul 23, 2025 · We have a Pandas DataFrame and now we want to visualize it using Matplotlib for data visualization to understand trends, patterns and relationships in the data. Using Pandas, get a fixed frequency DatetimeIndex. As a result, the output is a list of xticks locations, and labels with very little space between them or overlapped. My answer is for those who came looking to change the axis label, as opposed to the tick labels, which is what the accepted answer is about. xticks(1), it Jul 4, 2018 · How can I modify the size of the output image of the function pandas. 19. labelsarray-like, optional The labels Learn how to customize x-axis labels in Matplotlib bar plots. 4 1948-02 Mar 11, 2025 · This tutorial demonstrates how to set the axis tick labels for seaborn plots in Python. labelsarray-like, optional The labels We provide the basics in pandas to easily create decent looking plots. This article explores various techniques to set and customize axis I am trying to plot counts in gridded plots, but I haven't been able to figure out how to go about it. When plotting data in a graph, the labels of the x and y axes may sometimes overlap. This can also involve directly customizing labels with set_xticklabels() by passing strings or numbers for specific tick indices. ylabel('OY') plt. My data is 5 rows for this example: 9. This function allows you to modify the labels and positions of the ticks along the x-axis, providing greater flexibility and control over your plots. fddlor bwkbzm ha s2nnc 42z bth pvuao zh i2u vj