its package release notes

1.0.0   2004-02-12 [n.b. for version>=1.9.0 will need additional namespace directive import(stats)]
0   licence changed to GPL Version 2
1   new function 'locf()' (last observation carry forward)
2   writecsvIts gets extra option 'split' to split large files
3   as(its,"data.frame") implemented
4   POSIXlt arguments are coerced to POSIXct
5   NA handled properly in summary()
6   new function priceIts()

0.2.1   2004-01-06
1   bugfix version to pass Rcmd check on R-devel (0.2.0 not released on CRAN)
    some fixes to method documentation
    removed direct calls to POSIX methods for format, plot, seq
    replaced export() with exportClasses() in namespace

0.2.0   2003-12-16
1   new functions: newIts, extractIts, collapseIts
2   new 'lab' option in plot for labelling series
3   'leg' option in plot now uses labcurve(), not locator()
4   renamed the function classifications in documentation (itsFunctions, not its-functions)
5   dates() accessor & assignment methods for dates 
6   names() accessor & assignment functions for the dimnames(matrix)[[2]]
7   core() accessor & assignment functions for the matrix
8   revised summary()
9   the package is now in a namespace - a number of internal functions have therefore been withdrawn
10  added a 'dates' option for row selection using POSIXct in extractor: [i,j,dates]
11  optional use of POSIXct dates in rangeIts
12  CRAN package Hmisc is now required

0.1.2   2003-09-20
1   removed logic to take special action on logical subscripts
2   allow append() to operate on NULL
3   fix and extend documentation
4   'at' passed to axis.POSIXct() by plot()
5   'format' passed to axis.POSIXct() by plot()
6   handling of NAs in plot() - options
7   linetype options in plot()

0.1.1   2003-07-22
