- Stata histogram example. Stata does have a command called graph bar, but this does not produce a bar graph summary of a discrete variable distribution. As you Jul 21, 2016 · Stata for Students: Histograms This article is part of the Stata for Students series. For a complete list, view our compatible operating systems. Histogram A histogram is a great way to visualize the distribution of a variable like age. com yline() and xline() add lines where specified. Histograms are a popular tool used to visualize the distribution of a continuous variable. com Kernel density estimators approximate the density f(x) from observations on x. Nov 16, 2022 · Frequency plots can be made in Stata using the hist command with the freq option. If you use a do-file, set your working directory by typing the following: cd "C:\YourDirectoryPath" After setting the working directory, open a do-file by clicking the "New Do-file Editor" icon in the Stata Obtaining histograms The “histogram” command produces simple histograms. I have following variables in Stata: - lifesatisfaction - temporarywork (1, 2): 1= yes= temporary worker; 0= no Did you know about twoway histogram gen? (Note the two underscores in the first gap and only one in the second. For example, using the system life expectancy data, the command for a histogram of life expectancy would be histogram lexp. The command can be used directly to save these variables, enabling more complex manipulation of histograms and production of other graphs [G-3] saving option). The option color (red%30) makes the female histogram red with 30 percent opacity and color (green%30) makes the male histogram green with 30 percent opacity. They can be used for both categorical and quantitative variables. You can type codes in the Stata command window or use a do-file. The basic command for a histogram looks like this: Description Quick start Syntax Options for use in the continuous case Remarks and examples Also see twoway histogram draws histograms of varname. Stata 19 documentation Stata's documentation consists of over 19,000 pages detailing each feature in Stata, including the methods and formulas and fully worked examples. The y-axis should show the proportion in %. The x-axis should show the satisfaction of life on a scale from 0 (not satisfied) to 10 (very satisfied). Stata delivers everything you need for reproducible data analysis—powerful statistics, visualization, data manipulation, and automated reporting—all in one intuitive platform. sysuse auto. 2. Jul 23, 2020 · For example, if I wanted to create a histogram of price, with the y-axis reflecting frequency, I would enter “price” in the “Variable” box and click on the “Frequency” option under the Y axis. . The higher the opacity, the less transparent the histogram will become. This is a good way to see all the options available and if you want a highly specific histogram, it may in fact be faster to specify your options in this manner. Remarks and examples Kernel density estimators approximate the density () from observations on . 3 Histograms and Kernel Density Plots For a more detailed view of the distribution of a single variable, we can create a histogram using the hist ogram command. Also see [R] histogram for an easier-to-use alternative. org Histograms in Stata If you are new to histograms in Stata, you might find it more intuitive to go to the Graphics menu and select Histogram. As you Jan 27, 2025 · This guide provides instructions to generate basic figures/graphs using Stata that are useful for exploratory data analysis. Histograms are bar graphs that depict these frequency counts—the bar is centered at There are several options to consider with histograms: Stata likes to think of a histogram as an empirical approximation to a probabilithy distribution function, but to get the kind of histogram you learned about in elementary school where the height of the bar is proportional to the number of observation in the bin, add the freq option: Sep 25, 2023 · 4. Moreover, by default, the bins might represent intervals of values (thus, one bin does not necessarily represent one single value) – this depends on the range of values of the variable. . It is primarily used by researchers in the fields of economics, biomedicine, and political science to examine data patterns. Nov 16, 2022 · Stata is a complete, integrated software package that provides all your data science needs—data manipulation, visualization, statistics, and automated reporting. Can Stata take advantage of all the cores on my computer for extra speed? Yes; Stata/MP can perform calculations in parallel on 2 to 64 cores. In this article we are going to learn how to create Histogram in Stata Let’s load one of Stata’s inbuilt datasets to see how histograms are created. This module will introduce some basic graphs in Stata 12, including histograms, boxplots, scatterplots, and scatterplot matrices. Visit the Stata/MP details page for more information. Description histogram draws histograms of varname, which is assumed to be the name of a continuous variable unless the discrete option is specified. Aug 12, 2025 · This module will introduce some basic graphs in Stata 12, including histograms, boxplots, scatterplots, and scatterplot matrices. You can use Stata's histogram command to create simple histograms, or you can add options to make more sophisticated charts. Nov 13, 2024 · Basic Graphing in Stata Let’s start with some basic graph examples before we dive into customization. Histograms are a very useful graphical tool for understanding the distribution of a variable. hist3 is more general, in that it will calculate densities for you. hist rep78, freq However, if the variable you are graphing takes on noninteger values, this command will not work. stata. Stata (/ ˈsteɪtə /, [2] STAY-ta, alternatively / ˈstætə /, occasionally stylized as STATA [3][4]) is a general-purpose statistical software package developed by StataCorp for data manipulation, visualization, statistics, and automated reporting. Learn how to create histograms with frequencies and overlay normal density curves using Stata's graphing tools for visualizing continuous variables. ) This command is used by histogram to generate the variables that are plotted. Explore available software at Penn State, including free and discounted tools for students, faculty, and staff. Hope you find the tutorials useful. Find downloads, licenses, and support resources. What is Stata? It is a multi-purpose statistical package to help you explore, summarize and analyze datasets. It is widely used in social science research. Instead, it produces a bar graph plot of selected statistics of a continuous variable (usually the mean). The basic syntax that you issue in the “Stata Command” window is: histogram <varname>, <options> where you fill in the variable name for which you want a graph (for “varname”), and add some “options” to control the presentation of the graph. Histograms do this, too, and the histogram itself is a kind of kernel density estimate. webuse nhanes2l (Second National See full list on statology. You can also use twoway graph histogram to create histograms. In this example, we can see that the variable is approximately normally distributed (with a Remarks and examples stata. com Remarks are presented under the following headings: Histograms of continuous variables Overlaying normal and kernel density estimates Histograms of discrete variables Use with by() Video example For an example of editing a histogram with the Graph Editor, see Pollock (2011, 29–31). Go to File -> Example Datasets -> “Example Datasets Installed With Stata”. Let’s use the auto data file for making some graphs. It is undocumented in the manuals but explained in the online help. Nov 16, 2022 · For other histograms with varying widths, if you have Stata 7 or Stata 6 you can specify bin limits to two community-contributed programs, barplot and hist3. Remarks and examples stata. Here we will focus only on histogram. Jul 5, 2024 · What is Stata? Stata is a powerful statistical software that enables users to analyze, manage, and produce graphical visualizations of data. describe headroom storage display value variable name type format label variable label Description The axis scale options determine how axes are scaled (arithmetic, log, reversed), the range of the axes, and the look of the lines that are the axes. The Stata, R, and other documents presented here provide the basic tools to get you started in data analysis. Histograms are a common way of graphically representing the frequency distribution of data. Also see [R] histogram for an easier-to-use alter-native. hist is a synonym for histogram. The data are divided into nonoverlapping intervals, and counts are made of the number of data points within each interval. Description twoway histogram draws histograms of varname. dta The histogram command can be used to make a simple histogram of mpg histogram mpg If you are creating a histogram for a categorical variable such as rep78, you can add the option discrete. Click on the ‘use’ option in front of the dataset name in the list How to make a histogram that shows a variable's distribution in Stata. If, however, your interest is in obtaining grid lines, see the grid option in [G-3] axis label options. hist mpg, freq . Sep 3, 2017 · The three different bars in the histogram should show (1) standard employment relationship, (2) temporary workers and (3) unemployed. Descriptive methods for nominal and ordinal data using STATA and Excel Frequency distributions (Example 1) Discrete histograms (Example 2) Pie charts (Example 3) Describing relationships between two or more categorical variables Cross tabular frequency distribution (Example 4) New in Stata 19 Why Stata All features Disciplines Stata/MP StataNow Order Stata Purchase Order Stata Bookstore Stata Press Stata Journal Gift Shop Learn Free webinars NetCourses Classroom and web training Organizational training Video tutorials Third-party courses Web resources Teaching with Stata Support Training Video tutorials FAQs For examples of histograms for prediction quantities, see example 4 and example 7 in [BAYES] bayespredict and example 1 and example 3 in [BAYES] bayesstats ppvalues. If you are new to Stata we strongly recommend reading all the articles in the Stata Basics section. This is a histogram of cognitive. Frequently Asked Questions Important Links How can I get my own copy of Stata? Where to run Stata? How to get Stata? Installing, Customizing, Updating Stata Statistical Analysis Data Analysis Examples Annotated Output Textbook Examples Web Books What statistical analysis should I use? Advanced Usage Stata Programs for Research and Teaching Code Nov 16, 2022 · Access third-party resources with examples in Stata and datasets in Stata format. Can my copy of Stata run on both my Windows desktop and Mac laptop? Yes. The default is that the y-axis shows the density of values across the x-axis. Let's begin by opening the nhanes2l dataset. nwpd jm oblyqa1 k6nw3d iiiuu nmotmf eysmwe qrbp 57wf d3ref
