Stata histogram string variable. Each range is shown as a bar along the x-axis, and .

Stata histogram string variable In official Stata it is not too difficult. comCopyright 2011-201 Quick start Histogram of continuous variable v1 twoway histogram v1 Histogram of categorical variable v2 twoway histogram v2, discrete Same as above, but place a gap between the bars by reducing bar width by 15% twoway histogram v2, discrete gap(15) Oct 19, 2023 · Let's say I make the following simple program: program define test_prog1 syntax varname =exp display `&quot;`varlist' `exp'&quot;' end And I run it with the following commands in the Stata Feb 27, 2023 · I recently had a dataset with two groups (0 or 1), and a continuous variable. The alternative to strings is numbers—0, 1, 2, 5. It is also possible to include a normal curve in the chart in order to see how the data adheres to a normal distribution Sep 24, 2017 · I want to create a histogram/graph bar of a categorical variable with the count of patients on the y axis but the bars having the percentage on top of each bar. If we follow the following MWE: Description destring converts variables in varlist from string to numeric. The m1 and m2 variables record the student’s satisfaction with teaching and with academics. Stata determines by context whether * means multiplicat on or string duplication. There are commands to do this, which I presume is what you want. We wish to calculate BMI, which is defined as weight in kilograms divided by the square of height measured in meters. In the example dataset below, I have a string variable called SchoolName which identifies where someone currently attends college. You could use -twoway bar- with value labels or string variables as marker labels. list make foreign . 85), and then use hist to show another variable in the background that is a distribution of the first one. Let's open and describe an example dataset from the Stata website and we'll show you how. 7, and so on. Step 2 was to make a frequency histogram. For example, if you have a list of heights for 1000 people and you run the histogram command on that data, it will organize the heights into ranges. Characters listed in ignore() are removed. Oct 17, 2022 · Calculate the number of words in a string variable For calculating the number of words separated by a blank of a string variable, use Stata’s wordcount command: gen NEWVAR=wordcount(LONG_STRING_VAR) Extract the first word of a string variable To extract the first word of a multiple string variable, use the following code. Without a full data example, let's fake one. 2 Categorical string variables A variable might contain strings because it records categorical information. Thus, a single character would need to be held in a str2 variable. This video demonstrates how to convert a string variable to a numeric variable in Stata using the *destring* command. comCopyright 2011-2019 StataCorp LLC. You could easily achieve this by copy Feb 9, 2021 · I am trying to label subgroups within a string categorical variable: I have a sex variable stored in &quot;double&quot; format and to make it easier to use in graphs, I converted the variable into Why this command? Stata provides great functionality for advanced statistics and econometric analyses. Mar 21, 2016 · 0 I cannot figure out how to tell Stata to replace the value of a string variable only if the value of another (also) string variable is equal to "xxx"? To illustrate the problem: I need to merge two datasets according to the match in the name of the municipality (unfortunately, I do not have anything else that is common for the both datasets). “Male” and “Female”, “yes” and “no”, and “R. The x-axis should show the satisfaction of life on a scale from 0 (not satisfied) to 10 (very satisfied). Smith” and “P. In the example above, region is a string variable, in par icular, a str7. decode foreign, gen (Foreign) Now go . I tried with graph bar (count) , over (sex) blabel (bar) but it didn't work. References: st: RE: dividing a data set into estimation and validation sets From: "Nick Cox" <n. com> Prev by Date: Re: st: Using the -if- qualifier with a string variable Next by Date: st: RE: Using the -if- qualifier with a string variable Previous by thread: Re: st: Using the Aug 12, 2025 · This module will introduce some basic graphs in Stata 12, including histograms, boxplots, scatterplots, and scatterplot matrices. For continuous data the histogram command in Stata will put the data into artificial categories called bins. graph hbar (sum) one, over (Foreign) ytitle (frequency) However, the user-written command 24. When using graph twoway scatter we first list the variable that we want on the y-axis and then the variable Nov 16, 2022 · Home / Resources & Support / FAQs / Stata Graphs / Bar chart by values of categorical variable Bar chart by values of categorical variable Learn about Stata’s Graph Editor Description Option by() repeats the graph command for each value of varlist and arrays the resulting individual graphs into one graph. BUT! I wanted these histograms to overlap and not be side-by-side. 1, which was released in September 1990. See full list on statology. We’ll visualize the relationship between price and length. generate and replace This chapter shows the basics of creating and modifying variables in Stata. I have following variables in Stata: - lifesatisfaction - temporarywork (1, 2): 1= yes= temporary worker; 0= no A histogram can be used to show either continuous or categorical data in a bar graph. gen one = 1 . where is a str1 in the following example: . sysuse auto (1978 Automobile Data) Suppose that -foreign- were a string variable, which we can simulate with . My personal view is that the second, the conventional stacked choice (G2), is by far the Description encode creates a new variable named newvar based on the string variable varname, creating, adding to, or just using (as necessary) the value label newvar or, if specified, name. I wanted to show how the overall deciles of that continuous variable varied by group. 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 Learn how to create basic histograms using Stata. Three possibilities here entail tabplot (Stata Journal), catplot (SSC), floatplot (SSC). In the histogram I show the number of Merger&Acquisitions Deals announced in the period from 1993-1998 on a yearly basis. You can type codes in the Stata command window or use a do-file. Variables in varlist that are already numeric will not be changed. Thereby I'm stuck on a probably very basic problem, for which however I couldn't find proper solution in old forum topics or via google. The histogram command takes a variety of arguments, the most important being the variable you want, which comes next. In Stata, you can attach meaning to those categorical/ordinal variables with value labels. I want to plot these probabilities May 15, 2023 · I want to draw a histogram using hist of a variable which takes only one value (0. The two primary commands used for this are generate for creating new variables. Nov 16, 2022 · Learn how to create histograms with frequencies and overlay normal density curves using Stata's graphing tools for visualizing continuous variables. Variables containing strings—called string variables—occur in data for a variety of reasons. Let's use Stata's generate command to create a new variable for height measured in meters. Step 1 was to generate an overall decile variable with an –xtile– command. For those using Stata, managing and cleaning string variables (text data) can initially seem challenging, but with several commands, it becomes a smooth process. For exam Nov 16, 2022 · Warning: If you have more than 67,784 unique values of the string variables that you are encoding, encode will complain. Description histogram draws histograms of varname, which is assumed to be the name of a continuous variable unless the discrete option is specified. However, Stata sometimes appears a bit weak in terms of descriptive statistics. 78, 32. The histogram will give us an idea about whether the distribution (of the continuous variable) is normal or skewed. There are many other options that you can use to customize your histograms, and you can read about them in the manual. Odd numbers of characters in string variables were soon allowed in Stata 2. this may either be a string variable or a numeric variable with labels. Each range is shown as a bar along the x-axis, and The difference between the minimum and maximum values of the new group variable will provide the value needed for the bin option. A prerequisite if of course that there is a variable with the pertinant labels. Jul 21, 2016 · They can be used for both categorical and quantitative variables. com/statalist/arch/msg01131. I want to create a histogram for my continuous variable x that has lots of outliers (let's say values greater than 100 and less than -100 are where the outliers are). As you To create histogram in Stata, click on the ‘Graphics’ option in the menu bar and choose ‘Histogram’ from the dropdown. This section will teach you how to make histograms; Using Graphs discusses what you can do with a graph once you've made it, such as printing it, adding it to a Word document, etc. Forinstance,intheautomobiledata,mpg isacontinuousvariable,butthemileageratingshavebeenmeasuredtointegerprecision A histogram is similar to a bar chart but, unlike the bar chart, it is suitable for continuous variables. This may be a very simple problem, but I have spent a considerable amount of time with the manuals and using findit trying to solve the problem, without success. Typing this macro every time could become very tedious. When you generate a variable and the expression evaluates to a string, Stata creates a string variable with a storage type as long as necessary, and no longer than that. ” as indicating sysmiss (. Jun 25, 2020 · Table of Contents What is foreach for? Example: Simple loop through list of variables Example: Export results from tables More examples? What is foreach for? In Stata you often need to do the same repetitive and boring tasks over and over. Sometimes, the variable names are clear and useful, but we would like to add a label that will be used in tables and graphs. https://www. If varlist is not specified, destring will attempt to convert all variables in the dataset from string to numeric. If that is the case, then you can use . Jun 28, 2022 · I know histograms usually use frequencies or densities but is there a way I can plot the percentage for each industry denoted by the variable ind? In addition, I'd like to have different colors for each country denoted by the variable country. The option is simply mlabel (varname). Let’s use the auto data file for making some graphs. varlist may be a numeric or a string variable. In Stata, histograms can be easily created and modified using built-in commands. ) and interprets Apr 14, 2024 · Histograms are graphical representations of the distribution of a numeric variable in a dataset. The minimum and maximum values are obtained by first summarizing the group variable and then putting the saved results into a local macro. All rights reserved. Chapter 5 An Introduction to Stata for Health Researchers, Third Edition Chapters 7-8 Stata Learning Modules Labeling data Creating and recoding variables Stata Frequently Asked Questions How can I quickly convert many string variables into numeric variables? How can I quickly recode continuous variables into groups? How do I standardize . Suppose that you have read in a dataset that contains a variable called sex, recorded as “male” and “female”, yet when you attempt to run a linear regression, the following message is displayed: Sep 3, 2017 · The three different bars in the histogram should show (1) standard employment relationship, (2) temporary workers and (3) unemployed. Four of these reasons are listed below. Attached you can find my produced with string va Stata is smart. I tried the following: format V1 %13. 0g //This makes it so V1 looks like a full number in the data visualizer without scientific notation gen V2 = "0000000000000" //Just a 13 Jun 19, 2014 · Adding percent signs doesn't count as a Stata format. Nov 16, 2022 · Bar charts Bar charts are a popular tool used to visualize the frequency or percentage of observations in each group of a categorical variable. Let's begin by opening the nhanes2l dataset and tabulating the variable hlthstat. Mar 2, 2020 · Hi there, I have been trying to colour individual bars in a histogram or graph bar with percentages, but I don't get round to it without messing the bars heights. You can use Stata's graph bar command to create simple bar charts, or you can add options to make more sophisticated charts. Accurate. In order to make the histogram Dec 23, 2022 · So, the real problem is for two variables. To create a histogram, users can use the “histogram” command and specify the variable of interest. substr(), string(), and upper() functions. Easy to use. In the dialogue box that opens, choose a variable from the drop-down menu in the ‘Data’ section, and press ‘Ok’. If * appears between two numeric valu s, Stata multiplies them. First read in suitable data . histogram—Histogramsforcontinuousandcategoricalvariables9 Histogramsofdiscretevariables Specifyhistogram’sdiscreteoptionwhenyouwishtotreatthedataasdiscrete—whenyouwish eachuniquevalueofthevariabletobeassigneditsownbin. You can also watch a demonstration of these commands by clicking on the link to the YouTube video below. We simply divide height by 100 to 23. For more detail, see the entry on changing elements of graphs. I want to convert it into a string variable and have no scientific notation. The command to create a histogram is histogram. 1 Continuous, categorical, and indicator variables Although to Stata a variable is a variable, it is helpful to distinguish among three conceptual types: Jul 23, 2020 · Creating a Scatterplot Creating scatterplots is easy in Stata. gen where = "D" if foreign="domestic":origin 26. ac. 703e+10, for most values which is scientific notation. 1 Description The word string is shorthand for a string of characters. Oct 7, 2020 · I am trying to create a histogram with a string variable. I have downloaded several programs from SSC and still don't have what I want. How to label variables Labeling the variables in a dataset is one of the most basic and fundamental data management tasks. I would like to use the "histogram yvar, by (xvar, total)" command to produce a histogram of the total and stratified variable. uk> st: Using the -if- qualifier with a string variable From: "louis boakye-yiadom" <louisby@hotmail. As histograms are most commonly used to display ordinal or categorical (sometimes called nominal) variables, the bin numbers shown usually represent something. j. 0g) and it looks like: 1. destring treats both empty strings “ ” and “. However, in Stata, it places the "total" graph as the last graph and I would like to have it as the first graph (before the stratified graphs). Jones” are examples of strings. The option choices show things to vary, and there are others. Description Titles are the adornment around a graph that explains the graph’s purpose. egen nb = group(b) which will generate a numeric variable nb that does not have value labels. Jan 27, 2025 · This guide provides instructions to generate basic figures/graphs using Stata that are useful for exploratory data analysis. The example would have worked, however, if region were a numeric variable with values 1, 2, 3, and 4, or even 12. Technical note ables, or both. Feb 24, 2017 · Hi, I have been looking for a way to count the occurrence of a character in a variable, but have only found this https://www. 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. We’ll use the graph twoway scatter command (we can just type scatter but I like to use the graph twoway syntax to make things more consistent across graph types. If * appears between a string and a numeric value, Stata duplicates the string as many times as th Fast. This unit demonstrates how to produce many of the frequency distributions and plots from the previous unit, Frequency Distributions. When creating histograms in Stata, by default Stata lists the bin numbers along the x-axis. Nov 16, 2022 · Sorted by: id The description tells us that the variable height is measured in centimeters (cm) and the variable weight is measured in kilograms (kg). We saw how to work with the Data Editor in [GSW] 6 Using the Data Editor—this chapter shows how we would do this from the Command window. How to make a histogram that shows a variable's distribution in Stata. For example, you might have two groups where you want to make a histogram and run a t-test for 10 different variables. ht String variables were introduced in Stata 2. comment is a string variable recording any comments the student might have had. a string 0 or more times. Stata is a complete, integrated statistical software package for statistics, visualization, data manipulation, and reporting. org I would like to build a graph/histogram showing how many Male answered "worm", how many male answered "other" etc etc same for female. stata. The y-axis should show the proportion in %. sysuse auto. 2, 16. Stata’s handy –histogram– is a quick Jul 25, 2020 · If you wanted to write very generally, you would start with a calculation of minimum and maximum values for the x axis variable and add some fraction of the range either side to accommodate leftmost and rightmost axis labels. 0 in June 1988, and they could hold any even number of characters from 2 (str2 type) to 80 (str80 type). cox@durham. It has a minimum abbreviation of g. May 4, 2018 · Dear Statalist Community, currently I'm trying to set up a histogram using Stata's histogram command. Examples using the hsb2 dataset. I have a set of ratio variables (probabilities derived from Nick Winter's oprobit) and a three-category ordinal variable. What do I mean by descriptive statistics? Hello all! I have a variable called "V1" that is a double (%10. For further examples, search the forum for mentions of each command.