This tutorial explains the basic and intermediate applications of proc transpose with examples. The default tool in r would be reshape, although this is so user friendly that a reshape package has been added too. The trans procedure introductory example consider the sas data set in figure 6. Many sas programmers have flipped out when confronted with having to flip transpose a sas dataset, especially if they had to transpose multiple variables, needed transposed variables to be in a specific order, had a mixture of character and numeric variables to transpose, or if they needed to retain a number of nontransposed variables. I recently came across a content in the net about the enhancements related to proc transpose in sas 9. I know this transformation is linear and just takes a matrix and spits out its transpose. Usually, convert tall files into wide files example. A simple approach here is to transpose one group of variables at a time and then merge them back together. Rotated1 created by proc transpose produces report 2. Sas users are unsure of the results it will give and curious about syntax that is often not particularly intuitive.
This is a slightly different situation than seen in table 4. United states steel corporation rows of the original data matrix become columns, and columns become rows. This macro runs all 50 ttests and customizes what sas prints to the results output, so all i have to do is copy and paste the output into my empty table shell. Data transposition with proc report midwest sas users group. 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. However, sas variable names cannot begin with a number. Built for developers verifications can be initiated through the transpose dashboard, triggered based on ecommerce rules or integrated into your product through our api. How to reshape data wide to long using proc transpose sas. Transposing data using proc transpose search this guide search. Transpose payment verification and identity authentication. This is proc transpose by nyndnpa on vimeo, the home for high quality videos and the people who love them. Data step and proc transpose are the two most common methods. 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. Transpose proc report and ods to excel sas support.
Its a very powerful procedure when you need to change the shape of the data. With its good data handling and graphical capabilities, sas is an important tool for a data scientist analyst. Counting the number of columns in a sas dataset after a proc. Neither data set is currently structured correctly for the merge.
Transposing multiple variables in a sas data set within a single macro call. Paper 0602009 learn the basics of proc transpose douglas zirbel, wells fargo and co. To print the output data set from the proc transpose step, use proc print, proc report, or another sas reporting tool. This paper presents an easy beforeandafter approach to learning proc transpose. This variable name can be changed using a name option in the proc transpose statement. Many programmers resort to use of the data step to achieve transposition which they believe results in better control. So i want to have a replica of proc transpose is sas. Counting the number of columns in a sas dataset after a. May 12, 20 preparing and reshaping data is the ever continuing task of a data analyst. Proc report transposing and collapsing a column sas. Sas probably holds the highest market share in analytics solutions for enterprises. When i transpose this dataset it creates a dataset with 2.
How to reshape data long to wide using proc transpose. If however two or more variables need to be transposed, you need to transpose each variable separately and then merge the transposed data sets, which can be time consuming. Tells sas to do some analysis separately for each value of the speci. A transposed variable is a variable the procedure creates by transposing the values of. Transpose proc report and ods to excel sas support communities.
Proc transpose only function is to create an output data table. This macro runs all 50 ttests and customizes what sas prints to the results output, so all i have to do is copy and paste the output into my. For example, consider the following 2x3 matrix 2 rows, 3 columns. Louis, missouri abstract proc transpose is a powerful yet underutilized proc in the base sas toolset. Nov 06, 2010 note problem statementthis is quite similar to using proc transpose using values in sas. Find answers to counting the number of columns in a sas dataset after a proc transpose. The output data set contains the following variables. Table 5 is still a transpose of table 3, but it involves a transpose in two parts once to transpose var1 and once again for var2. Taming the proc transpose matt taylor, carolina analytical consulting, llc abstract the proc transpose is often misunderstood and seldom used. This variable name can be changed using a name option in.
Shoes is the original input dataset specified using data and work. I was able to figure it out later and wanted to keep to post for others if further reference is needed. Note also the missing values for connecticut auto parts in 1998 and new york auto parts in 1996. Sep 21, 2014 r use r and sas to reshape the data format. The original sas data set must be sorted or indexed prior to using a by statement with proc transpose unless you use the notsorted option. Below is an example of using sas proc transpose to reshape the data from a long to a wide format. Use proc print, proc report, or some other sas reporting tool to print the output data set. The transpose procedure can often eliminate the need to write a lengthy data step to achieve the same result. The original variables all had comma sas formats note how the rotations preserved the comma formats. When you use a numeric variable as an id variable, proc transpose changes the formatted id value into a valid sas name. The topic covered in this skill test was base programming for sas.
How to reshape data wide to long using proc transpose sas learning modules. This procedure transforms the data from rows to columns or from columns to rows. Structuring the data for a merge university of maryland. Advanced proc report tips and tricksa compilation of tips for producing desired proc report output with sas 9. For a list, see dictionary of sas global statements in sas global statements.
Thus, when the first character of the formatted value is numeric, the procedure prefixes an underscore to the value, truncating the last character of an 32character value. Create a data file suitable for charting or reporting. 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. Using reshape2 for transposing datasets in r decision stats. The sas code used to create the data set can be found in example 6.
Note problem statementthis is quite similar to using proc transpose using values in sas. Besides these two, this paper also introduces a third way, proc. Reshaping in r ala sas proc transpose ask question asked 7 years, 3 months ago. For more information, see indatabase processing for proc transpose. Proc transpose vs arrays vs proc summary mike zdeb, university at albany school of public health, rensselaer, ny abstract when data for the same entity person, place, thing are stored across multiple observations, it is a common task to place all the data for a given entity into a single observation. Further, the output data set can be used in subsequent data or proc steps for analysis, reporting, or further data manipulation. Hi all, first of all, thanks very much to all of you guys for actively showing interest in many of my queries and giving solutions. Transpose also analyzes dozens of data points to verify your customer is the real, legitimate owner of the payment method used in the transaction. Macro required to transpose data im sorry but somehow were talking at cross purposes ive already stated right at the start that each csv file is a standalone workbook and i need to copy a fixed range b35. You can use the attrib, format, label, and where statements. Find answers to using multitranspose macro in sas from the expert community at experts exchange. If applied to a traditional dataset, this would make it so that there was one row per variable, and one column per subject. In sas, the transpose procedure can perform simple transposes, widetolong, and. Feb 22, 2016 find answers to counting the number of columns in a sas dataset after a proc transpose.
Ctarget2 for the merge is to use the sort procedure to sort the data set by year and month as shown in the following program. How to reshape data wide to long using proc transpose. Built for developers verifications can be initiated through the transpose dashboard, triggered based on ecommerce rules or. You must sort the data before using the byoption in. You cannot use proc transpose with an id statement or a by statement with an engine that supports concurrent access if another user is updating the data set at the same time. Multivariate statistical techniques matrix operations in sas iml. It has a simple syntax and is very effective in terms of exchanging the significance of row and column identifiers. With sas, data transposition can be carried out in more than one way. 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. Finding a matrix representation of the transpose transformation. 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. This sas software tutorial shows how to use proc transpose to transpose a datasets rows and columns, and discusses when to use a transpose.
Advanced report procedure tips and tricks updated for sas 9. For a data set in wide format such as the one below, we can reshape it into long format using proc transpose. For more information, see statements with the same function in multiple procedures. I am not sure if transpose is the right concept here.
Delimiter delimiter specifies a delimiter to use in constructing names for transposed variables in the output data set. An alternative method of transposing data without the transpose procedure sunil kumar gupta, gupta programming, simi valley, ca abstract while the proc transpose procedure may be flexible enough to generate a variety of report formats, it may not be appropriate if the user wants a custom report. For example, you have data in vertical long format and you are asked to change it to horizontal wide format. Proc transpose for multiple values kanhaiya gupta, tcs, fond du lac, wisconsin abstract proc transpose can be used to rotate transpose sas data sets. I am using proc report to transpose the team names and.
If specified, the delimiter will be inserted between variable values if more than one variable has been specified on the id statement. First, lets see what happens when you use proc transpose on sashelp. I am giving the output also in which format i want it. Creates an output data set by restructuring the values in a sas data set, transposing selected variables into observations. It doesnt works as required for multiple values of. Arthur tabachneck a better way to flip transpose a sas dataset. The simplest possible case of transposing switches the rows and columns of a matrix. Overview the transpose procedure creates an output data set by restructuring the values in a sas data set, transposing selected variables into observations. It contains three sample sas input files, a set of basic. The id statement tells proc transpose which column holds the new variable names. Month count amount average average apr 5 1453 $215,2,461.