: Stata box plots multiple variables I want to have such a box plot one variable, but over two different variabes, such as Nov 16, 2022 · Box plots are a popular tool used to visualize the distribution of a continuous variable for each group of a categorical variable. But, I would like to display each variable separately, by sex. . commore Feb 11, 2024 · This guide covers how to make bar graphs that more effectively communicate bivariate relationships between discrete variables. This column explains how to use egen to calculate the Oct 1, 2015 · box plot 01 Oct 2015, 12:23 Hi, I am trying to reorganize a box plot. You can use Stata's graph box command to create simple box plots, or you can add options to make more sophisticated charts. Continuous variables For continuous variables, it’s better to use the central tendency and variability measures for descriptive statistics. The 1st statement creates a blank plot. Let us create two new variables, gdppc_mean and gdppc_median Nov 16, 2022 · Learn how to create box plots of two variables by values of a categorical variable using Stata's graphing tools. It allows to compare the effect of "south" on job tenure and hourly wage. woway. scatter : : : Being a plottype, scatter may be combined with other plottypes in the twoway Sep 5, 2016 · * You want a graph of two or more time series, which may have very different units of measurement and/or magnitudes of values. Unfortunately, stata will attempt to fit all groups on the same figure. My output looks something similar do the picture above, however, it would be better if the same continuous variable box plots were side by side. This could be used as a visualization for repeated The basic graph command and some simple examples The most basic command for creating graphs and charts in Stata is graph. The one that (typically) represents "time" will be represented on the x axis, the other on the y axis. twoway connected gdppc year if gdppc>40000, by (country) msymbol (diamond) Stata will give us the following graph. You will want to review Stata's factor-variable notation if you have not used it before. Nov 3, 2017 · I am using the command "histogram score, frequency normal" to plot a continuous variable with frequencies and with an overlaid normal density curve. I have a dataset of 24 cytokine concentrations (individual variables) from animal model with each animal of different weight category (1 variable of BMI category with underweight, normal, overweight, overweight Hi, Does anyone know how to create box plots comparing two groups, but for multiple variables within the same graph window/same command? If so, any advice is highly appreciated! Sep 28, 2016 · I want to graph (using graph box) a continuous variable according to two categorical variables. This command has a number of sub-commands and options. Sep 15, 2016 · gives the following output. If horizontal is specified, the values recorded in yvar are treated as values, and the values recorded in xvar are treated as values. Apr 14, 2024 · Box plots, also known as box-and-whisker plots, are a useful tool for visualizing the distribution of numerical data. Thus the syntax for line is Apr 15, 2019 · I have a repeated measures data set and I would like to create a line graph of the mean values of test scores at each of seven timepoints for four groups: white males black males white females black females which are coded as a pair of dummy variables (fe male, black) Y-value is testscore, X-value is month (1-7) I could manually calculate the mean () of each group: Description scatter draws scatterplots and is the mother of all the twoway plottypes, such as line and lfit (see [G-2] graph twoway line and [G-2] graph twoway lfit). Title graph box — Box plots Syntax Methods and formulas Menu References Description Also see Options Apr 19, 2016 · My conditional variable is a string (in my code above this is displayed as if originator=="X1", if originator=="X2" etc. The trunk variable qualifies, so type it in the Y variable box after mpg and click Submit again. Nov 16, 2022 · Stata's margins and marginsplot commands are powerful tools for visualizing the results of regression models. J. graph twoway scatter read0 read1 write We can use the msymbol () option to select the symbols we want for males and females. The format for this command is twoway (type_of_graph x-axis_variable y-axis_variable). Let us now generate a similar graph for the variable gdppc. My final goal is to get a graph box like this: large box gap between categories and adjusting colour across the second category. By specifying holes, we persuade graph box to put graphs on two rows. Below is a… Aug 17, 2016 · I have two datasets, each with eight columns representing eight chemicals. May 17, 2020 · I want to do a graph by group. 1 One Continuous Variable and One Categorical Variable If you have a categorical variable and a continuous variable, one measure of the relationship between them is how the mean of the continous variable varies across categories. Currently, I can only figure out how to graph the different variables together, by sex (please see attached graph). Nov 16, 2022 · To view examples, scroll over the categories below and select the desired thumbnail on the menu at the right. Is there a way to plot multiple density curves onto one graph (with each line in a different colour and a legend on the side)? 27 Using base graphics, we can use to control box position , combined with for the width of the boxes. 2. Feb 27, 2023 · In the example code above, the weight seems to be one variable rather than two. Aug 6, 2020 · Using graph hbar rather than graph bar is a personal choice. But you can trick it, if you must, into believing that you have the same x-axis variable in each plot: Stata does have a command called graph bar, but this does not produce a bar graph summary of a discrete variable distribution. (2009). (Parts 1 and 2 covered how to make bar graphs of means with confidence intervals and The size of everything drawn on each graph is as though the graph were drawn at full size, but at the aspect ratio of the combined individual graph, and then the individual graph and everything on it were shrunk to the size shown in the combined graph. Home / Resources & Support / FAQs / Stata Graphs / Box plot of two variables with symbol as median Box plot of two variables with symbol as median Learn about Stata’s Graph Editor Distribution plots Main page Next group Box plot of two variables by values of categorical variable Apr 8, 2018 · However I would like to graph three variables, two of them being in the y-axis (polarization and gini2). Thus the syntax for sca . The greatest value of box plots is for comparing distributions of related variables or distributions of single variables for different groups of observations. This type of plot appeared in an article by Baker, et al, in The American Journal of Clinical Nutrition, "High prepregnant body mass index is associated with early termination of full and any breastfeeding in Danish women". 3 Code Click here to show code as text Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. To import data, use the following command sysuse auto. The Stata Journal, 9 (3), 478-496. (For some reason there is also a small collection of graphs that are Abstract. Note that since Stata uses the variable label in the legend, it provides an indication of which symbol is the males and which is for the females. Home / Resources & Support / FAQs / Stata Graphs / Scatter and line plots Multiple overlaid scatterplots Learn about Stata’s Graph Editor Scatter and line plots Nov 13, 2023 · Creating and modifying box plots in Stata is a simple and straightforward process. line is a command and a plottype as defined in [G-2] graph twoway. The data set used in these examples can be obtained using the following command: Figure 7. I want to achieve something different. ) and the idea is to add the different lines into one graph using the different tables that I created before. twoway scatter : : : . The major sub-commands describe different varieties of plot - such as twoway, box plot, and the sub-types of twoway such as scatter and line. Note that in the following, we use to exclude the 1st (id) column from the values to plot. The examples below are based on those shown in the Stata Journal article: Cox, N. The five number summary includes mean, median, first Quartile, third Quartile, maximum values. We can add more than one line in each of the graphs of a panel graph. The mode is the first value in the frequency table in the descending order table! So here, the mode is 5 (60-69). Then add the 2 traces in the following two statements. Let's begin by opening the nhanes2l dataset and using tabstat to view the minimum, maximum, 25th, 50th, and 75th percentiles of age for each Jul 31, 2023 · Tim Plante, MD MHS Stata graph box boxplots with different colors for –over– groups I recently had to make some boxplots with Stata’s –graph box– command. how could i code the last line? it seems the code below would be wrong: graph box btx2 btx3, over (treat) by (btxweight_2 btxweight_3) or do you mean i should plot each outcome separate over "treat" by "btxweight_2"? like graph box btx2, over (treat) by (btxweight_2) Feb 16, 2017 · Hi all, I am trying to create a figure for box plots that includes multiple variables - but I want to stratify by another variable (whether the response is from a nurse or a doctor). lfit calculates the prediction of the dependent variable, from a linear regression of the dependent variable on the independent variable and plots the resulting line. Stata is designed to facilitate this complex, multivariate comparison by allowing analysts to list multiple continuous variables before the comma in the graph box command, while preserving the over() option for the critical categorical grouping. Jun 7, 2013 · To make a sensible graph with two Y variables (without having multiple scales) we need variables with similar values. To create a box plot, you can use the ‘graph box’ command, which requires you to specify the variables you want to display and the options you want to include. Let's begin by opening Oct 26, 2017 · It is designed to combine the results of multiple calls to -margins- into one marginsplot. Box plots have been a standard statistical graph since John W. It shows how to use Stata’s -graph bar- command as well as the user In Stata, you can make graphs and edit them as per the requirements of data. We will use linear regression below, but the same principles and syntax work with nearly all of Stata's regression commands, including probit, logistic, poisson, and others. See full list on statology. Nov 16, 2022 · Stata 19 supports a new two-way plottype heatmap to create a heat map, which displays values of z across values of y and x as a grid of colored rectangles. I find this to be challenging to use since it varies from syntax from the –twoway– command set that I use all the time. We can also combine multiple graphs in Stata. That ensures that each box plot will be the same size. What I have is this code: graph hbox Q1_1 Q1_6 Q1_7 Q1_9 Q1_12 Q1_3 Q1_16 Q1_18 Q1_17 Q1_19 Q1_15, by (Doc_nurse) asy noout legend (col (1) ring (0) position (1)) but I don't want a legend for each question, I Horizontal box plot of two variables by values of categorical variable Learn about Stata’s Graph Editor Distribution plots Main page Next group specify the fill and stroke of the marker specify the stroke color of the line or border specify the color of the text in RGB or with a Stata color marker mlcolor("145 168 208") marker label mlabcolor("145 168 208") 89. graph hbar can do that with (mean) and then the name of the continuous variable: Description graph box draws vertical box plots. The first example shows how to re-create a boxplot using a twoway graph, as well as how to add a marker at the mean of the distribution. https://www. I would like to graph multiple continuous variables, by sex. org Jan 15, 2013 · The logic is that The two categorical variables are combined lengthwise. This tip focuses on how and which data are plotted side by * lets make a data file with one Y variable and 4 yes/no variables use hsb2, clear gen q1 = female gen q2 = ses == 1 gen q3 = schtyp == 1 gen q4 = prog == 1 keep id q1 q2 q3 q4 read reshape long q, i(id) j(qno) * Now lets make "qno2" that has 1-8 generate qno2 = (qno-1)*2+q + 1 * but lets add gaps between the questions The code below shows how to plot the means and confidence interval bars for groups defined by two categorical variables. A line plot is a twoway graph, which implies that you need two variables. Tukey and his colleagues and students publicized them energetically in the 1970s. Speaking Stata: Creating and varying box plots. * tsline or xtline or a direct line versus your time variable doesn't do a very good job. This includes hotlinks to the Stata Graphics Manual available over the web and from within Stata by typing help graph. Box plot is a type of graph or plot, used to visualize the five number summary of a data set. I guess that your label size problem will disappear once 1 is solved. In a vertical box plot, the axis is numerical, and the axis is categorical. For histograms, that can be done with the option hist , by (group). Sep 8, 2022 · Hi everyone, I am fairly new to STATA and could not find an answer to this on the previous forums. Description line draws line plots. dta If you open Nov 16, 2022 · To view examples, scroll over the categories below and select the desired thumbnail on the menu at the right. How can I generate a box plot in Stata comparing the eight Options vertical and horizontal specify either a vertical or a horizontal bar plot. 6. But I don't know how to fit in "sort" in the command in order to make sure the graph is sorted on the x axis. This becomes unreadable May 29, 2024 · To create a graph between two numeric variables, we need to use the command twoway. graph twoway scatter : : : . In Stata, graph box and graph hbox are commands available to draw box plots, but sometimes neither is sufficiently flexible for drawing some variations on standard box plot designs. Instructional video on how to create a diagram showing a box plot for multiple scale variables with SPSS. For even more flexibility, you may need to abandon graph box and use twoway Jan 27, 2025 · Stata will give us the following graph. I wanted to create multiple boxplots displaying categories of variables side by side. With sum varname, detail command, you can see mean, median, standard deviation, variance, skewness, and kurtosis. Description Option by() repeats the graph command for each value of varlist and arrays the resulting individual graphs into one graph. To go into detail and learn how to create a box plot in Stata, we import the Automobile data set. To view examples, scroll over the categories below and select the desired thumbnail on the menu at the right. But if your real data have variable labels or longer names, then space to show either readably for 10 variables could be a medium-sized deal. Aug 12, 2025 · As you can see in the graph above, there are a pair of outliers in the box plots produced. Meaning that the similar continuous variable red/yellow and green/blue beside each other. stata. Instead, it produces a bar graph plot of selected statistics of a continuous variable (usually the mean). Box Plot can be generated in the Stata. The four parts are made up by five components: minimum, first quartile, median, third quartile, and maximum. Stata 19 also has two other new two-way plottypes, rpcap and Quick facts Number of variablesOne group variable (optional) One test variable Scales of variable (s)Group variable: categoricalTest variable: continuous Introduction A box plot – or box and whisker plot – is a four-part summary of a variable. In Stata, creating and modifying box plots is a simple process that can be done using the “graph box” command. After completing this course, you will be able to: • Visualize the distribution of a continuous variable using histograms, box plots, and density plots • Show the frequency or percentage of a Feb 26, 2024 · This third installment of guides on bar graphs in Stata covers how to make so-called “stacked” bar graphs. 6K subscribers 358 142K views 12 years ago Learn how to create basic box plots in Stata using the graph box command. 3 Box and whisker plot for a continuous variable in two groups Figure 7. vertical is the default. Without sort, this is the command: Sep 25, 2023 · To plot the line of best fit between two variables, use the lfit plot type in Stata (there is also a qfit plot for quadratic fits). It does not allow you to combine multple different variables into a single dimension, which is what you want. varlist may be a numeric or a string variable. These can be removed from the box plot using the noout command in Stata. These plots are associated with displaying values of temperature, but more generally can be used to display levels of a numeric variable, such as elevation or criminal activity. The datasets are of different populations and cannot be combined. In this case we want to create a graph that is a scatterplot that shows log-earnings as the dependent variable (y-axis) and year as the explanatory variable (x-axis variable). Now, we can graph read0 and read1 as shown below. That is, to make horizontal plots, do not switch the order of the two variables specified. This command allows users to specify the variables they want to plot, as well as customize the appearance of the box plot with various options such as labels and For a wider discus-sion of box plots, including how to draw box plots and related plots with graph twoway, see Cox (2009, 2013).

Stata box plots multiple variables. Sep 15, 2016 · gives the following output.