If specified, the delimiter will be inserted between variable values if more than one variable has been specified on the id statement. The id statement tells proc transpose which column holds the new variable names. We will discuss proc datasets, proc print, proc sort, proc transpose, proc download, proc freq, proc means and proc gplot in this chapter. Obs centre subjectno gender visit sbp wt 1 1 1 female a 121. Where proc transpose will only include all numeric variables if there is no var statement, this parameter lets you indicate if you want all numeric variables, all character variables or simply all variables the % transpose macros features. If you use proc univariate, then you can use the outtable option to generate 46 different descriptive statistics. There is no particularly good way to do this in proc sql. Proc transpose as sas documentation says, the transpose procedure can often eliminate the need to write a lengthy data step to achieve the same result. Pharmasug 2014 paper bb07 five ways to flipflop your data. Worked in writing macros and organizing data files using pdf and office applications such as word, excel and more. Experience with proc transpose, sasstat procedures such as proc freq, proc means.
Sas ods pdf will automatically create multilevel bookmarks using proc report. Adding a title is as simple as putting another title command where you want it. If youre in sas, use proc transpose for this option. How to keep multiple formats in one variable after transpose mindy wang abstract in clinical trials and many other research fields, proc transpose are used very often. This paper introduces how to create the one level bookmark using proc. Faster processing is possible because inmemory tables are manipulated locally on the server instead of being transferred across a relatively slow network connection. It contains three sample sas input files, a set of basic proc transpose variations, and their output results.
How to turn rows into columns in sas university edition. The simplest possible case of transposing switches the rows and columns of a matrix. If you have only one row then you would not need the by statement. Learn the basics of proc transpose douglas zirbel, wells fargo and co. By sas jedi on sas learning post november 19, 2010 topics programming tips. The 3rd level is the range of columns column names displayed by that part of the table. When many variables with their individual formats are transposed into one variable, we lose the formats. Suffix needed for proc transpose to take a slightly different viewpoint, while have the ability to add suffixes would be nice, variables with suffixes are harder to work with in groups and i am not aware of being able to specify the colon operator as a leading wildcard as in. It can only be changed between proc runs, but in the case above thats not an. To create transposed variable, the procedure transposes the values of an observation in the input data set into values of a variable in the output data set. Where proc transpose will only include all numeric variables if there is no var statement, this parameter lets you indicate if you want all numeric variables, all character variables or simply all variables the %transpose macros features. The transpose procedure can transpose variables and observations, or transpose variables and observations within by groups. For example, consider the following 2x3 matrix 2 rows, 3 columns.
In many cases, it is necessary to transpose certain data elements so that information stored in rows is moved into columns, or viceversa. Write a proc ttest statement within the macro that outputs three datasets. Transposing this matrix would turn it into a 3x2 matrix 3 rows, 2. In sas, i have a data set similar to the one below. Reshape long list variable dataset to wide list dataset using proc transpose this particular example illustrate creation of a new wide format dataset from a long listed dataset. Sometimes you need to reshape your data which is in a long format shown below famid year faminc 1 96 40000 1 97 40500 1 98 4 2 96 45000 2 97 45400 2 98 45800 3 96 75000 3 97 76000 3 98 77000. How to reshape data long to wide using proc transpose. The transpose procedure 4 by statement 1273 default. The ods proclabel statement customizes level 1, and the proc report statement option contents customizes level 2. So lets transpose the data, and make the months become values, rather than variables. Proc datasets proc datasets is a utility procedure that helps to manage the sas datasets in various libraries. Visualizing proc transpose sas proceedings and more. In the first transpose of the above code, we are telling sas to store information of all the variables in a single variable and the respective values in the another variable.
Now you might think that moving pdf bookmarks is a nice thing to. A transposed variable is a variable the procedure creates by transposing the values of an observation in the input data set into values of a variable in the output data set. Below is an example of using sas proc transpose to reshape the data from a long to a wide format. It contains three sample sas input files, a set of basic.
Running proc transpose with cas actions has several advantages over processing within sas. Find answers to counting the number of columns in a sas dataset after a proc transpose. This function if achieved in a data step can be much more cumbersome to code. Appending many individual graphs into one pdf file.
Sometimes a single proc transpose will do the trick. Example 2 on page 1280 out outputdataset names the output data set. This tutorial explains the basic and intermediate applications of proc transpose with examples. Proc transpose variations, and their output results. How to keep multiple formats in one variable after transpose. Onelevel pdf bookmark created by ods document and proc. Heres an example, including creating a view as noted in the comments. At the time, this appended pdf file did not have bookmarks to each individual graph or subject. If applied to a traditional dataset, this would make it so that there was one row per variable, and one column per subject. This paper presents an easy beforeandafter approach to learning proc transpose. Transposing one group of variables for a data set in wide format such as the one below, we can reshape it into long format using proc transpose.
Proc means with the stackodsoutput option produces many statistics. It does not produce any output but does report the minimum cost on the log. Proc transpose provides the ability to go from a long dataset where there are multiple rows for a given subject to a wide dataset where there are multiple columns for a subject. A primer, third edition we have changed how we offer example code and data for sas books. The result was perfect for those portions of the pdf generated by proc report, but i still had an issue with the bookmarks generated by proc gchart. The macro calls proc transpose but also does some work to help but doing so hides the details of what you want to do. Taming the proc transpose sas proceedings and more. Youve now got the data in a sas data set, but each month is in a separate column or variable. These advantages include reduced network traffic, and the potential for faster processing.
The proc transpose is part of the sas language that does not get used as much as it should. To print the output data set from the proc transpose step, use proc print, proc report, or another sas reporting tool. Transpose data using proc transpose in sas column to row proc transpose syntax explained duration. This section discusses some applications of the transpose procedure relevant to time series data sets. United states steel corporation rows of the original data matrix become columns, and columns become rows. Proc transpose is a powerful yet underutilized proc in the base sas toolset. Usually, convert tall files into wide files example. The ability to effectively transpose a data set is very important when working with different data structures and different data standards. Ods measured tagset til rtf er smart og kan tilpasses pdf gratis. It is very helpful when needing to shift data from rows to columns or vice versa. That is, either put all of the variables on one record for each by variable, or create one record for every combination of the by variable, the id variable, any variables to be copied, and only one of the tobetransposed var variables values. You could plot 12 overlapping lines against year, but we really want them all together as 1 long timeseries line. From the first output of proc print, we see that the data now is in long format except that we dont have a numeric variable indicating year.
Sas 8 1999 ods markup and tagset in proc template, ods rtf production. However, there are a few descriptive statistics that are not available in proc means. How to reshape data wide to long using proc transpose. When i transpose this dataset it creates a dataset with 2. For example, you have data in vertical long format and you are asked to change it to horizontal wide format. Ods pdf bookmarks before using ods document and proc document. The univariate procedure provides additional statistics. For a data set in wide format such as the one below, we can reshape it into long format using proc transpose. First step, it is required to sort the variables id time before using them in by statement in proc transpose.
The proc transpose can save time and complexity once it is properly explained. Thus, if we run the following simple proc transpose step. There have been multiple publications about how to create pdf files with two levels of bookmarks using proc report. This procedure transforms the data from rows to columns or from columns to rows. You can find multiple examples in the sashelp library to help illustrate what a long dataset looks like. In the code below i assume the errors counts occur for a number of areas. Proc transpose for multiple values kanhaiya gupta, tcs, fond du lac, wisconsin abstract proc transpose can be used to rotate transpose sas data sets. This paper will provide a non technical approach to understanding the transpose procedure by showing the programmer how to visualize the expected output. Four ways to create n by n frequency table from a raw. Proc report bookmark titles in ods pdf stack overflow. If outputdataset does not exist, proc transpose creates it using the datan naming convention. There is a summary sheet at the end of the paper as well for later reference. Proc transpose was designed to either make a long file wide, or a wide file long.
Create a data file suitable for charting or reporting. Suppose you have obtained the data presented below from a multicenter study, where each patient is identified by the means of the two variables centre and subjectno. The principal tool used by the sas programmer to carry out this operation is the transpose procedure. Here we create a n by n frequency table in a dataset, which give us a lot more flexibility in displaying the results. Its a very powerful procedure when you need to change the shape of the data. Base sas, macros, routines, functions, sas data integration studio, sas in mainframes, sas webreport studio, sas enterprise guide, proc compare sas statistical analysis system search web. Proc trans solves this problem and produces a sas data set containing the number of units to ship between each supply point and demand point. Counting the number of columns in a sas dataset after a. This variable name can be changed using a name option in. Same as proc freq, we cannot create a sas dataset with n by n frequency table in a wide form.
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