        CHANGES IN spatstat.univar VERSION 3.2-0

OVERVIEW

    o Distribution of a weighted sum of chi-squared variables.

NEW FUNCTIONS

    o dsocs, psocs, qsocs, rsocs
    Probability density function, cumulative probability distribution function,
    quantile function and random generator for a random variable
    which is a weighted Sum Of Chi-Squared random variables.

    o farebro
    Farebrother's Algorithm for the cumulative probability of
    a weighted sum of non-central chi-squared variables.

        CHANGES IN spatstat.univar VERSION 3.1-7

OVERVIEW

    o Minor improvements.

SIGNIFICANT USER-VISIBLE CHANGES

    o densityBC
    New argument 'xout'.

    o densityBC
    Slightly accelerated.
    
        CHANGES IN spatstat.univar VERSION 3.1-6

OVERVIEW

    o Minor improvements.

SIGNIFICANT USER-VISIBLE CHANGES

    o uniquemap
    Handles larger objects.
    
    o unnormdensity
    Argument 'bw' may be NULL (treated as equivalent to 'bw' being missing).

        CHANGES IN spatstat.univar VERSION 3.1-5

OVERVIEW

    o `unnormdensity' returns the smoothing parameters used.

    o Minor improvements.

SIGNIFICANT USER-VISIBLE CHANGES

    o unnormdensity
    The result has an attribute 'smooth.args' containing the smoothing
    parameters that were used in the calculation.
    
        CHANGES IN spatstat.univar VERSION 3.1-4

OVERVIEW

    o Extension to weighted median and weighted quantiles.

SIGNIFICANT USER-VISIBLE CHANGES

    o weighted.median, weighted.quantile
    New option: type = 3.
    Default changed to 'collapse=FALSE'.
    Documentation corrected and improved.

    o weighted.median, weighted.quantile, weighted.var
    If 'w' is missing or NULL, the default weights are all equal to 1.

        CHANGES IN spatstat.univar VERSION 3.1-3

OVERVIEW

    o More support for 'interpolatedCDF' objects.
    
NEW FUNCTIONS

    o plot.interpolatedCDF
    Plot method for interpolatedCDF objects.

    o print.interpolatedCDF
    Print method for interpolatedCDF objects.

        CHANGES IN spatstat.univar VERSION 3.1-2

OVERVIEW

    o Improvements to documentation.
    
    o Internal improvements.

        CHANGES IN spatstat.univar VERSION 3.1-1

OVERVIEW

    o Internal changes to satisfy package checker.


        CHANGES IN spatstat.univar VERSION 3.1-0

OVERVIEW

    o Boundary-corrected kernel density estimation on the positive half-line.
    
    o Bandwidth selection by non-random bootstrap.

    o Minor improvements to documentation.

NEW FUNCTIONS

    o bw.taylor
    Bandwidth selection for kernel density estimation
    using Taylor's non-random bootstrap 

    o densityBC
    An extension of density.default that includes boundary corrections
    for truncation of the density to the positive half line.

    o densityAdaptiveKernel.default
    Variable-bandwidth kernel density estimation,
    with optional boundary correction. 

    o dkernelBC
    Evaluate the boundary corrected kernel

        CHANGES IN spatstat.univar VERSION 3.0-1

OVERVIEW

    o quantiles using linear approximation.

    o extract the knots of a weighted CDF

NEW FUNCTIONS

    o knots.ewcdf
    Method for generic 'knots' for extracting the jump points of a weighted
    cumulative distribution function (object of class 'ewcdf').

SIGNIFICANT USER-VISIBLE CHANGES

    o quantile.ecdf, quantile.ewcdf
    Now supports type=4 (linear interpolation).

    o quantilefun.ecdf, quantilefun.ewcdf
    Now supports type=4 (linear interpolation).


        CHANGES IN spatstat.univar VERSION 3.0-0

OVERVIEW

    o Abramson adaptive bandwidths.

    o Adaptive kernel smoothing.

    o Digits in the decimal representation of a number.

    o Unique representatives in a vector or data frame.
    
    o Bug fix in weighted.quantile.

    o Internal improvements.

NEW FUNCTIONS

    o bw.abram
    Generic function for computing Abramson adaptive bandwidths.

    o bw.abram.default
    Default method for computing Abramson adaptive bandwidths for numerical data.
    o densityAdaptiveKernel
    Generic function moved from spatstat.explore to spatstat.univar.

    o rounding, rounding.default
    Functions moved from spatstat.geom to spatstat.univar.

    o firstdigit, lastdigit, ndigits
    Digits in the decimal representation of a number.

    o uniquemap
    Generic function moved from spatstat.geom to spatstat.univar.
    
    o uniquemap.default
    Method for mapping duplicate entries to unique entries in a vector.
    Moved from spatstat.geom to spatstat.univar.

    o uniquemap.data.frame, uniquemap.matrix
    Method for mapping duplicate rows to unique rows in a data frame.
    Moved from spatstat.geom to spatstat.univar.
    
BUG FIXES

    o weighted.quantile
    Implementation was incorrect for type=2.
    Fixed.
    
        CHANGES IN spatstat.univar VERSION 2.0-3

OVERVIEW

    o Minor corrections to package information.
    
        CHANGES IN spatstat.univar VERSION 2.0-2

OVERVIEW

    o Minor corrections to package information.
    
        CHANGES IN spatstat.univar VERSION 2.0-1

OVERVIEW

    o Minor corrections to package information.
    
        CHANGES IN spatstat.univar VERSION 2.0-0

OVERVIEW

    o First release of package. 
    
