TabularTextFileSet | R Documentation |
Package: R.filesets
Class TabularTextFileSet
Object
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FullNameInterface
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GenericDataFileSet
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GenericTabularFileSet
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TabularTextFileSet
Directly known subclasses:
public static class TabularTextFileSet
extends GenericTabularFileSet
An TabularTextFileSet object represents a set of TabularTextFile
s.
TabularTextFileSet(...)
... |
Arguments passed to |
Methods:
readDataFrame | - | |
Methods inherited from GenericTabularFileSet:
extractMatrix
Methods inherited from GenericDataFileSet:
[, [[, anyDuplicated, anyNA, append, appendFiles, appendFullNamesTranslator, appendFullNamesTranslatorByNULL, appendFullNamesTranslatorByTabularTextFile, appendFullNamesTranslatorByTabularTextFileSet, appendFullNamesTranslatorBydata.frame, appendFullNamesTranslatorByfunction, appendFullNamesTranslatorBylist, as.character, as.list, byName, byPath, c, clearCache, clearFullNamesTranslator, clone, copyTo, dsApplyInPairs, duplicated, equals, extract, findByName, findDuplicated, getChecksum, getChecksumFileSet, getChecksumObjects, getDefaultFullName, getFile, getFileClass, getFileSize, getFiles, getFullNames, getNames, getOneFile, getPath, getPathnames, getSubdirs, gunzip, gzip, hasFile, indexOf, is.na, names, nbrOfFiles, rep, resetFullNames, setFullNamesTranslator, sortBy, unique, update2, updateFullName, updateFullNames, validate
Methods inherited from FullNameInterface:
appendFullNameTranslator, appendFullNameTranslatorByNULL, appendFullNameTranslatorByTabularTextFile, appendFullNameTranslatorByTabularTextFileSet, appendFullNameTranslatorBycharacter, appendFullNameTranslatorBydata.frame, appendFullNameTranslatorByfunction, appendFullNameTranslatorBylist, clearFullNameTranslator, clearListOfFullNameTranslators, getDefaultFullName, getFullName, getFullNameTranslator, getListOfFullNameTranslators, getName, getTags, hasTag, hasTags, resetFullName, setFullName, setFullNameTranslator, setListOfFullNameTranslators, setName, setTags, updateFullName
Methods inherited from Object:
$, $<-, [[, [[<-, as.character, attach, attachLocally, clearCache, clearLookupCache, clone, detach, equals, extend, finalize, getEnvironment, getFieldModifier, getFieldModifiers, getFields, getInstantiationTime, getStaticInstance, hasField, hashCode, ll, load, names, objectSize, print, save
Henrik Bengtsson
# Setup a file set consisting of all *.dat tab-delimited files # in a particular directory path <- system.file("exData/dataSetA,original", package="R.filesets") ds <- TabularTextFileSet$byPath(path, pattern="[.]dat$") print(ds) # Read column 'y' and a subset of the rows from each of the # tab-delimited files and combine into a matrix rows <- c(3:5, 8, 2) data <- extractMatrix(ds, column="y", colClass="integer", rows=rows) print(data) # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # See also help("readDataFrame.TabularTextFileSet") # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # ADVANCED: Translation of fullnames # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - fnts <- TabularTextFileSet$byPath(getPath(ds), pattern=",fullnames[.]txt$") appendFullNamesTranslator(ds, as.list(fnts)) cat("Default fullnames:\n") print(head(getFullNames(ds, translate=FALSE))) cat("Translated fullnames:\n") print(head(getFullNames(ds))) cat("Default fullnames:\n") print(getFullNames(ds, translate=FALSE)) cat("Translated fullnames:\n") print(getFullNames(ds))
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