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Image reconstruction from projections : implementation and by G T Herman ; with contributions by M D Altschuler

By G T Herman ; with contributions by M D Altschuler [et al ]

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There are a number of different ways to select variables in R. One way is to use mydata [3:6 ] since q1 is the 3rd variable in the data set and q4 is the 6th. 6 Running R from SPSS 31 have appeared as the 1st variable and our example would become mydata [4:7 ] instead. R can select variables by name, but we will save that topic for later. The summary function in R gets descriptive statistics. Therefore, if we were running this interactively in R rather than in SPSS, we would submit this command: summary( mydata[ 3:6 ] ) And we would immediately see the results.

Com/devcentral/. Full installation instructions are also at that site, but it is quite easy as long as you follow the steps in order. First install SPSS. You will need version 16 or later to run R and 17 or later to add R procedures to the SPSS menus. Then you install the latest version of R that SPSS supports and finally the plug-in. The version of R that SPSS supports at the time you download it may be a version or two behind R’s production release. r-project. org/, so that should not be a problem.

RData") See Chap. 19 for more details. 3 Running R Interactively on Linux or UNIX 25 8. Optionally save your history. R has a history file that saves all of the functions you submit in a given session (and not the output). This is just like the SPSS journal file. SAS has no equivalent. Unlike SPSS, the history file is not cumulative on Macintosh computers. You can view your history by clicking on the Show/Hide R command history icon in the console window (to the right of the lock icon). You can see the command history window on the right side of Fig.

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