https://github.com/sophof/blaise

R package facilitating the reading and writing of blaise fwf files
https://github.com/sophof/blaise

Last synced: about 2 months ago
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R package facilitating the reading and writing of blaise fwf files

• Host: GitHub
• URL: https://github.com/sophof/blaise
• Owner: sophof
• Created: 2019-03-13T11:00:54.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2023-12-08T10:42:40.000Z (about 1 year ago)
• Last Synced: 2024-08-13T07:13:30.751Z (5 months ago)
• Language: R
• Homepage:
• Size: 219 KB
• Stars: 2
• Watchers: 1
• Forks: 2
• Open Issues: 4
• Metadata Files:
  • Readme: README.md

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• jimsghstars - sophof/blaise - R package facilitating the reading and writing of blaise fwf files (R)

README

        
Blaise R package

===============

This package provides function for reading and writing blaise fixed width files

with a datamodel (usually with extension .bla) symmetrically. 

Symmetry in this case means that reading a dataset in R and then immediately

writing it out, should result in the exact same dataset and datamodel.

All types except arrays are currently supported. Datamodels have only been tested 

as separate files, so datamodels within larger manipula or maniplus scripts for 

instance are not guaranteed to work.

Datamodels from questionnaires are also mostly untested. Known limitations at this

point are the NODK and NORF options, but there are likely to be more.

In addition, an R dataframe can be forced to conform to a known blaise datamodel.

For this to work variable names in the dataframe need to match the datamodel. 

a simple name matching scheme based on minimizing the Levenshtein distance is supplied.

Since blaise and R datatypes don't exactly overlap, some are automatically converted:

* R Logical type is always converted to an INTEGER with FALSE:0 and TRUE:1 when writing.

* numbered blaise enums are converted to factors with the numbers as labels. The original labels are therefore lost. 

(possibly will be implemented as new R vector in the future). This can be suppressed,

but the default is to convert due to the symmetric design principle.

For reading fwf files an option is available to output LaF objects. In this way the 

package is used as an alternative datamodel parser for the LaF package.

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