+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

-------------------- BIFIEsurvey NEWS -----------------------

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


.........................`  ,::;              :,:;       ` .;';. .,:                
:::::::::::::::::::::::::.  ##+@              ##+#       .@####+ ;+# `              
:::::::::::::::::::::::::.  ###@              ####       @@;   :`;##``              
:::::::::::::::::::::::::.  ###@              ##+#     `##.      .,,                
:::::::::::::::::::::::::.  ###@              ::,:    ` ##                          
:::::::::::::::::::::::::.  ###@                 `      @@                          
:::::::::::::::::::::::::.  ###@                      ` #@                          
:::::::::::::::::::::::::.  ###@                        #@                   `      
:::::::::::::::::::::::::.  ##@# ,@###@       @@## ` @@@+##@@@@   #@     `.@#####   
:::::::::::::::::::::::::.  ####'@#####@.``   ####   @@#@@@####   #@     ;##+''#+@` 
:::::::::::::::::::::::::.  ##@@##,,#+##@     ####      @@        #@    .#@`  ` '## 
::::,::::::::::::::::::::.  ##+@@    ####,    ####      #@        #@    ##,      #+`
::::``.::::::::::::::::::.  ##+@, `` ,###@    ####      #@        #@    @@       ;@;
:::::`  .::::::::::::::::.  ##`       ####    ####      #@        #@   .##@@@@@@@#+#
:::::::`   `,,:::::::::::.     :      ###@    ####      #@        #@   ;##@@@@@@@@@@
:::::::::.      ``....`      ,@#      ####    ####      #@        #@   '@'`         
::::::::::::.`              ####      @###`   ####      #@        #@  `+#'          
::::::::::::::::,,,,,,,::.  ####      ####    ####      #@        #@  `'#'          
:::::::::::::::::::::::::.  ####      @###    ####      #@        #@   ,##          
:::::::::::::::::::::::::.  ###@   `  @##+    ####      #@        #@   `#@          
:::::::::::::::::::::::::`  @@##     ,#@##    ####      #@        #@    @#          
:::::::::::::::::::::::::`  @+##,    @###'    ####      #@        #@   `+#@         
::::::::::::::::::::::::.    ###@:  '###@     ####      #@        #@     #@+        
:::::::::::::::::::::::.   ``;@#@#@####@.     ####      #@        #@     `@#@:`   ` 
::::::::::::::::::::::.       ,@######@.      ####`     ##        @+      `#####@## 
::::::::::::::::::::.`        ` .'##'. `        ```     `.        ``         ;##+;. 


Federal Institute for Educational Research, Innovation and 
Development of the Austrian School System (BIFIE)
Salzburg (Austria)
https://www.bifie.at/

Questions or suggestions about BIFIEsurvey can be sent to
robitzsch@ipn.uni-kiel.de


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CHANGELOG BIFIEsurvey
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


--------------------------------------------------------------
Versions 1.8 -- 2016-01-30  --  CRAN BIFIEsurvey 1.8-0
--------------------------------------------------------------

FIXED * fixed a bug in calculation of D2 statistic
FIXED * corrected a wrong output of 'VarMI' for several 
        models for nested multiply imputed datasets
NOTE  * cleaned namespace file and defined imported functions
        in a more explicit way

DATA  * ---
EXAMP * ---

--------------------------------------------------------------
Versions 1.7 -- 2015-11-04  --  CRAN BIFIEsurvey 1.7-0
--------------------------------------------------------------
 
NOTE  * corrected output of 'BIFIE.univar.test' in case of
        no replicate weights

DATA  * ---
EXAMP * ---

--------------------------------------------------------------
Versions 1.6 -- 2015-10-15  --  CRAN BIFIEsurvey 1.6-0
--------------------------------------------------------------
 
FIXED * fixed a bug in 'BIFIE.univar.test' with multiple grouping
        variables (thanks to Thilo Siegle)
FIXED * fixed a recently included bug (in BIFIEsurvey >= 1.3) 
        in creating 'BIFIEdata' objects for PISA designs: an incorrect 
        value of 'fayfac' was generated by default 
        (thanks to Thilo Siegle)
FIXED * fixed a bug in 'BIFIE.univar.test' for designs with no replication
        weights which caused noncalculation of the Wald test. Now,
        the Wald test is disabled (thanks to Thilo Siegle)

DATA  * ---
EXAMP * BIFIE.univar.test (2)

--------------------------------------------------------------
Versions 1.5 -- 2015-10-08  --  CRAN BIFIEsurvey 1.5-0
--------------------------------------------------------------
 
NOTE  * added citation information

DATA  * ---
EXAMP * ---

--------------------------------------------------------------
Versions 1.4 -- 2015-09-08  --  CRAN BIFIEsurvey 1.4-0
--------------------------------------------------------------
 
FIXED * fixed a bug in 'BIFIE.pathmodel' in data preprocessing
        phase (thanks to Michael Bruneforth) 
NOTE  * added statistical inference in 'BIFIE.univar' and 
        created separate output for means and standard deviations
        (suggested by Hong Giang Pham)
NOTE  * fixed a bug in 'BIFIE.freq' with more than two variables
        when all variables have the same number of categories
        (thanks to Thilo Siegle)
ADDED * added multiple grouping variables in the argument
        'group' in all functions of BIFIEsurvey

DATA  * ---
EXAMP * BIFIE.freq (1)

--------------------------------------------------------------
Versions 1.3 -- 2015-07-10  --  CRAN BIFIEsurvey 1.3-0
--------------------------------------------------------------

FIXED * fixed a bug in creating 'cdata=TRUE' objects in
        'BIFIE.data.boot' (thanks to Hong Giang Pham)
FIXED * fixed incorrect p values for D1 statistic in case of
        only one imputed dataset (thanks to Frank Goldhammer)
NOTE  * creation of sav files 'write.BIFIEdata' now does not
        longer depend on PSPP, but on sjmisc package using the
        updated 'save.data' function from the miceadds package 
FIXED * allowed overwriting of variables in 'BIFIE.data.transform'
        (thanks to Thilo Siegle)
FIXED * fixed a bug in 'BIFIE.mva' when only one variable is analyzed.
        A change has also been made if no covariates were provided.
NOTE  * changed defaults for argument 'fayfac' in 'BIFIE.data.jack'
NOTE  * large sample approximation of degrees of freedom is now 
        used for statistical inference
ADDED * added statistical inference for nested multiply imputed 
        datasets. Use 'NMI=TRUE' for creating appropriate 'BIFIE.data'
        objects.
ADDED * included inference for nested multiply imputed datasets
        for all implemented methods
NOTE  * included pure R implementation of user defined function in
        'BIFIE.by'. Now, the user can choose via the 'use_Rcpp'
        argument whether Rcpp or pure R should be employed for
        function evaluation.

DATA  * data.timss4
EXAMP * BIFIE.data.transform (1), BIFIE.data (1), data.timss (2)

--------------------------------------------------------------
Versions 1.2 -- 2015-02-22  --  CRAN BIFIEsurvey 1.2-6
--------------------------------------------------------------

FIXED * fixed a bug in creation of jackknife zones when jackknife
        zone identifier is provided (thanks to Hong Giang Pham)
NOTE  * added lavaan.survey and lme4 to Suggests, mitools is 
        now imported
ADDED * included initial version of two-level regression
ADDED * included initial version of path model estimation
        with measurement errors in predictors
FIXED * enabled summary.BIFIE.logistreg which was not yet working
NOTE  * extended DESCRIPTION        
ADDED * included option for finite sampling correction by allowing
        vector input of 'fayfac' argument in 'BIFIE.data'
        (see Example 3 in 'BIFIE.data')
        
DATA  * data.bifie01 
EXAMP * data.timss (1,2,3), BIFIE.twolevelreg (1,2),
        BIFIE.pathmodel (1), BIFIE.data (3) 

--------------------------------------------------------------
Versions 1.1 -- 2014-11-22  --  CRAN BIFIEsurvey 1.1
--------------------------------------------------------------

FIXED * fixed a bug in frequency tabulation for constant variables

DATA  * ---
EXAMP * ---

--------------------------------------------------------------
Versions 1.0 -- 2014-10-12  --  CRAN BIFIEsurvey 1.0
--------------------------------------------------------------

NOTE  * changed output for non-imputed datasets    
FIXED * fixed a bug in data handling for linear and logistic
        regression
ADDED * included function 'BIFIE.BIFIEdata2datalist' for conversion
        from BIFIEdata objects into a list of imputed datasets 
FIXED * fixed a bug when converting datasets containing a one
        into BIFIEdata objects
EXAMP * added example for extracting number of unique values using
        the BIFIE.by function (Example 1, Model 3)
EXAMP * added an example for inclusing fitted values from lm and
        a scores from principal component analysis in 
        BIFIE.data.transformat
FIXED * fixed a bug in calculating the variance between imputations        
ADDED * included function 'BIFIE.derivedParameters' for statistical 
        inference of derived parameters
ADDED * included coef and vcov S3 methods for all descriptive functions
        and statistical models
NOTE  * fixed a bug in extracting values of grouping variables        
ADDED * included an Rcpp based equivalent to the table function in R:
        'bifietable'

DATA  * ---
EXAMP * BIFIE.BIFIEdata2datalist (2), BIFIE.by (1), 
        BIFIE.data.transform (8,9), BIFIE.derivedParameters (1),
        BIFIE.by (1)

--------------------------------------------------------------
Versions 0.3 -- 2014-07-31  --  CRAN BIFIEsurvey 0.3-47
--------------------------------------------------------------

NOTE  * changed handling of factors in conversion into a BIFIEdata object
ADDED * included generation of bootstrap designs ('BIFIE.data.boot')
ADDED * included logistic regression 'BIFIE.logistreg'
ADDED * included function 'save.BIFIEdata' and 'load.BIFIEdata' for 
        saving and loading BIFIEdata objects
ADDED * included option for saving, loading and holding BIFIE datasets
        in a compact format ('cdata') which avoids memory overflow in
        some applications
NOTE  * enabled all methods to work for BIFIEdata obejcts which are saved 
        as 'cdata'
ADDED * included BIFIEdata conversion and selection functions 'BIFIE.dataselect',
        'BIFIE.BIFIEdata2BIFIEcdata', 'BIFIE.BIFIEcdata2BIFIEdata'
FIXED * fixed a bug in linear regression with formula specification and
        some missing values
FIXED * fixed a bug in BIFIE.data.transform  
ADDED * included a function 'write.BIFIEdata' for writing separate imputed 
        datasets from BIFIEdata objects permitting the formats csv, csv2, table
        and Rdata
FIXED * corrected output of standard errors in cases in which no replicate 
        weights were specified
NOTE  * included an option for conversion of PISA data in 'BIFIE.data.jack'
ADDED * included function 'load.BIFIEdata' for efficient loading of files
        and creation of BIFIEdata objects
FIXED * applied data transformation separately for every imputed dataset     
ADDED * included function 'BIFIE.mva' for conducting missing value analyses

DATA  * included/modified datasets: data.timss1.ind
EXAMP * included/modified examples: BIFIE.data.boot (1), BIFIE.logistreg (1,2),
        save.BIFIEdata (1,2)

--------------------------------------------------------------
Versions 0.2 -- 2014-07-12  --  CRAN BIFIEsurvey 0.2-37
--------------------------------------------------------------

ADDED * included histogram 'BIFIE.hist'
ADDED * included empirical distribution function 'BIFIE.ecdf'
ADDED * included data transformation function 'BIFIE.data.transform'
NOTE  * extended creation of jackknife grouping designs in 'BIFIE.data.jack'

DATA  * included/modified datasets: data.test1, data.pisaNLD
EXAMP * included/modified examples: BIFIE.ecdf (1), BIFIE.data.transform (1),
        BIFIE.data.jack (2), data.pisa (1)

--------------------------------------------------------------
Versions 0.1 -- 2014-07-01  --  CRAN BIFIEsurvey 0.1-61
--------------------------------------------------------------

ADDED * included functions: BIFIE.data, BIFIE.univar, BIFIE.freq,
        BIFIE.correl, BIFIE.linreg, BIFIE.waldtest, BIFIE.univar.test,
        BIFIE.data.jack, BIFIE.crosstab, BIFIE.by

DATA  * included/modified datasets: ---
EXAMP * included/modified examples: ---



xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx