How to convert categorical string variables to labeled numeric variables duration. Graph with a string variable statalist the stata forum. Hi there, i would like to create a graph with the value of a string variable in the x axis. The first line of syntax reads in the dataset shown above. If we are inputting string character variables, precede the string variable. A practical introduction to stata harvard university.
Posted on 5 october 2010 by mitch abdon to concatenate is to join the characters of 2 or more variables from end to end. Fortunately, stata offers some easy ways for converting string to numeric variables and vice versa. This tells stata that the next variable, name in this case, is a string and the longest word is 4 characters long. Here are some examples of how dates can appear in stata string format. The tricks and shortcuts mentioned were introduced with stata 12. Dear stata users, suppose there is a categorical variable which has values. Not least, most statistical procedures just do not accept string variables. Now that we have the gis data, we need the data to graph.
In stata, this can be done by using either gen or egen. Dates are often given in data sets as string variables e. How can i graph string and numeric variables together in. Product code is numerical and product description is a string variable. I want to create a graph that would have the product description values on the yaxis. Stata s datamanagement commands give you complete control of all types of data. Automatic labelling of newly created indicator variables in stata.
The stata newsa periodic publication containing articles on using stata and tips on using the software, announcements of new releases and updates, feature highlights, and other announcements of interest to interest to stata usersis sent to all stata users and those who request information about stata from us. Instead of using graph twoway line we can use graph twoway tsline which is specifically designed for making line graphs where the x axis is a date variable. How can i graph string and numeric variables together in stata. For spss and sas, you may need to install it by typing. Getting started with the stata columbia university. As long as you are connected to the internet, you can download and install a package by simply typing ssc install estout in the stata command window. In this post, i will show you a simple way to add recession shading to graphs using data provided by import fred. You can work with byte, integer, long, float, string and double variables. So if you have string variables snode the source node and tnode the target node and some numerical variable weight then you feed the weighted edges by running. We first need to use the tsset command to tell stata that the variable date represents time and that its period is daily, see below.
Prior to that, some other commands such as the following were available. It assumes you have loaded your networks weighted edges in stata in the form of three variables. I have a string variable that i need to keep as the x variable. In this section i describe stata data files, discuss how to read raw data into stata in free and fixed formats, how to create new variables, how to document a dataset labeling the variables and their values, and how to manage stata system files. Visualizing regression models using coefplot partiallybased on ben janns june 2014 presentation at the 12thgerman stata users group meeting in hamburg, germany. Basically, the value label sits on top of the code, so that when you browse, you see what the code. How can i quickly convert many string variables to numeric. However, i would like to have the value of a string variable on the xaxis so that. Stata torrent is the best software and other statistical softwares cannot come close due to its all in one feature. We have to forewarn stata about this otherwise it will try to read the names as numbers.
Wordstat for stata content analysis and text mining tool. Making a horizontal stacked bar graph with graph twoway rbar in stata. Stata string values on axis of graph statistics help. Gretl users guide gnu regression, econometrics and timeseries library allin cottrell department of economics wake forest university riccardo jack lucchetti. To download the graph3d package including the ado file type.
February 1, 1960 or 211960 in order to use stata time series commands and tsset this needs to be converted to a number that stat understands. Sort graph bar by target variables, followed by sort variables. But let me refer here to the stata help at help rename group. Note that we can download maps of regions, provinces, and cities. Stata gives you complete control of all types of data. For this exercise we will use the regional and province level shapefiles. When calling a command that takes a string, surround. The latest versions of stata added many new features, including a long string data type allowing one to store along with numerical and categorical data. There are commands to do this, which i presume is what you want. How to access and manipulate strings in stata variable labels. Use stata to download the ny times covid19 database and render a twittercompatible us mortality figure. Learn how to use the date function with this stata quick tip from chuck huber.
The data for each day are stored in a separate file, so i wrote a little stata command called covid19 to download, combine, save, and graph these data. Right now i can do line price id and i get a graph of price against id which is a numerical variable. Macros are little codewords that represent another variable or string. Even though stata can handly string variables, it is clear in many respects that numeric variables are much preferred.
Var2 is a string variable even though you see numbers. One method of converting numbers stored as strings into numerical variables is to use a string function called real that translates numeric values stored as strings into numeric values stata can recognize as such. One of the distinguishing features of is that when you download a dataset, it comes with labels. Stata is a complete, integrated statistical software package created by statacorp lp. Although graphics with string variables is not out of the question in stata, it will prove limited and frustrating, partly because of a inbuilt. And then to have nice output for graphs this number in. This post also demostrates how to build a complex graph in stata, beginning with the basic pieces and finishing with a polished product. Describe contents of graph in memory or on disk 104. Mcgovern harvard center for population and development studies geary institute and school of economics, university college dublin august 2012 abstract this document provides an introduction to the use of stata.
See downloading communitycontributed commands in gsm 19 updating and. A new command for plotting regression coefficients and other estimates. How to sort string variable in the order i generated it in the code. We tell stata that prgtypeis a string variable which should have a length of 10 by typing str10beforethe variable name. Wellmanaged data in stata generally have the following properties.
Variable labels are descriptions of variables, and value labels are used to describe the way variables are coded. Sometimes, i like to augment a timeseries graph with shading that indicates periods of recession. It provides a wide range of statistical analysis, data management, and graphics. The command creates a table that contains the date, the number of confirmed cases, the number of deaths, and the number recovered. We are using the 2011 version of the administrative boundaries. The stata blog import covid19 data from johns hopkins. You can pluck a cell of a matrix and store it as a macro. Even with point and click all your results are recorded and are ready to use in reproducible research. Before running any of the examples, set up the exemplary dataset by running. If you dont want to write or use commands you dont have to. You can work with byte, integer, long, float, double, and string variables. Use all of stata s features can be access through menus, dialogs, control panels, the data editor viewer, a variables manager, a graph editor and even an sem builder.
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