[EpiData-list] Re: conversion from SPSS

epidata-list at lists.umanitoba.ca epidata-list at lists.umanitoba.ca
Wed Apr 3 12:14:42 CDT 2013


Jamie, thank you VERY much!
Well, I'll try first to export from SPSS. If I have problems, I'll try by
STATA...
This is my first time with EpiData, and everything is new.
Thanks again,
Best,
Carlos.


2013/4/3 <epidata-list at lists.umanitoba.ca>

> The simplest way to get your data into EpiData is to export it from SPSS
> to stata (file type .dta), although this may or may not work with your
> version of SPSS
>
> You can import stata files directly into either classic EpiData or the new
> EpiData Manager. If you import to Manager, you will likely have to check
> each variable to be sure the format is what you want (e.g. number of
> decimals). You can check this easily using the codebook function in classic
> epidata or one of the reports in Manager.
>
> Then fix the fields you need to. Note that in Manager, you can select a
> group of similar fields to change the size of field (e.g. decimals or
> string length). If SPSS exports value labels, these should come into
> Manager OK.
>
> a caveat - I have never tried the SPSS to Stata part; I have done Stata to
> EpiData.
>
> The more complex, but guaranteed to get your data in exactly as you want
> is to export SPSS to tab-delimited. You then have to create your own
> epidata database and use import the data. This can get really messy as
> Epidata expects the data to conform EXACTLY to your specifications. I have
> had a lot of grief trying to get things to match.
>
> You can also import that tab-delimited data into Excel (there are lots of
> web sites that explain how to do this). Then format each column in Excel to
> match what you want (e.g. number of decimal places). Make sure the last
> column has no missing values. I suggest adding a field called XEND with the
> number one in each cell.
> Make sure the first row has legal Epidata variable names.
> Select the entire table, copy the data.
> Then start up Epidata Analysis and give these commands:
>
> read /cb
> save mydata
>
> You have just created mydata.rec with all of your data. In fact, if you
> can select and copy all of your data in SPSS along with the variable names,
> there is no need for Excel. However, I think you may only be able to copy
> the data. You need the first line to be variable names for this to work. I
> have done this a lot (to get from Excel data to SPSS and it work well as
> long as the data are clean. Analysis expects all of your variables to be
> consistent and not have special characters (quotes, commas) embedded in
> text fields.
>
> Good luck!
> Jamie
>
> On 2013-04-03, at 9:42 AM, epidata-list at lists.umanitoba.ca wrote:
>
> > My SPSS databank is composed of 703 columns, where the first 200 are
> > baseline, and the other the follow-up. Each line is a case.
> > Every time I want to input data, I open the databank, search for the case
> > number and for the situation (e.g. 3rd month). After this, I fill in with
> > the data.
> > My baseline variables are different from the follow-up.
> > At follow-up, variables are the same, exept the variable identification:
> > height1m and weight1m ---> height3m and weight3m.
>
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