v1.1.8 created on June 02, 2019
  (1) For functions LinePlot, ErrBar, and barPlot, added an input parameter 'xFlag' to indicate if x-axis variable should be
  regarded as a continuous variable ('xFlag = TRUE') or a factor ('xFlag = FALSE')
  
v1.1.7 created on June 02, 2019
  (1) in iprcomp: replacing missing value as the median of the corresponding variable
  (2) revise iprcomp.Rd and vignette
  (3) initialized mu2 and se2 in 'BiAxisErrBar'
  (4) rename 'ErrBarplot' to 'barPlot'
  
v1.1.6 created on May 30, 2019
  (1) replaced old 'details' in 'iprcomp' Rd file

v1.1.5 created on May 19, 2019
  (1) in BiAxisErrBar, automatically set dodge width if 'delta=NULL'.
      we will set delta=minD/5 , where minD is the minimum of
      difference between visit[i+1] - visit[i]
  (2) in BiAxisErrBar, set default value of addTheme as FALSE
  (3) in BiAxisErrBar, fixed a bug when cv1 < cvThresh

v1.1.3 created on May 11, 2019
  (1) update 'BiAxisErrBar' function using new algorithm (Thank Mr. Jun Luo for his kind help!)
  
v1.1.2 created on May 3, 2019
  (1) force 'group' to be factor in Hist, Den, Dendro
  (2) fixed a bug in 'Box': when x=NULL, xLevel was not assigned correctly

v1.1.1 created on May 1, 2019
  (1) fixed a bug in vignette: we have two ExpressionSet objects called in vignette, but used the same name 'pDat' to denote their phenotype data.
  
v1.1.0 created on April 30, 2019
  (1) added input parameter 'xLevel' to functions 'LinePlot', 'Box', 'ErrBar'
  (2) set 'jitter.width = 0.2' in 'Box'
  (3) added function 'addTheme'
  (4) revised functions by adding background and grid through input parameter 'addThemeFlag'
  (5) added function 'stackedBarPlot'
  (6) replaced function 'BiAxisErrBar' by that writted by Mr. Jun Luo who used ggplot.


  
v1.0.9 created on April 10, 2019
  (1) modify XYscatter. all plots have the same x-axis and y-axis range
  (2) set delta = 0.2 (instead of 0.5) in BiAxisErrBar

v1.0.8 created on April 5, 2019
  (1) fixed a bug in 'BiAxisErrBar': no line connect means
  
v1.0.7 created on April 4, 2019
  (1) before set 'x' or 'group' as factor, first test if they are already factor
v1.0.6 created on April 3, 2019 and modified on April 4, 2019
 (1) fixed a bug in 'Box' function: added "+ scale_x_discrete(drop = F) + scale_fill_discrete(drop = F) +"
 (2) set default value for jitter.width=1 and point.size = 1
 (3) in 'PCA_score', add the input 'title'
 (4) in 'PCA_score', if 'color' not NULL, then set data[, c(color)]=as.factor(data[, c(color)])
 (5) added "+ xlab(label=xlab) + ylab(label=ylab)" to functions 'BoxROC', 
      'XYscatter', 'PVCA', and 'ImpPlot'
 (6) fixed a bug in 'XYscatter', 'Hist', and 'Den': when 'group=NULL', there is an error
 (7) in 'Heat', replace 'heatmap.2' by 'pheatmap'
 (8) in 'LinePlot' and 'Box', set 'x' and 'group' as factor
 (9) in 'BiAxisErrBar', set 'x' as factor


  
v1.0.5 created on Mar. 12, 2019
  (1) revised DESCRIPTION file based on CRAN's comments:
  Please omit the redundant "We provide novel..." and start your description with "Visualization functions ...".
  Please explain all acronyms (e.g. PCA) in your Description field to avoid misunderstandings.

v1.0.4 created on Mar. 7, 2019
  (1) revised back Dependency to R 3.5.0 since Writting R extension document mentions that
  "It is inadvisable to use a dependence on R with patchlevel (the third digit) other than
zero. Doing so with packages which others depend on will cause the other packages to become
unusable under earlier versions in the series, and e.g. versions 3.x.1 are widely used throughout the Northern Hemisphere academic year."

v1.0.3 created on Mar. 7, 2019
  (1) Dependency R 3.5.2
v1.0.2 created on Mar. 7, 2019
  (1) The warning "'BiocInstaller' and 'biocLite()' are deprecated, use the 'BiocManager' CRAN
" is caused by the loading of 'ggplot2' package. Try to increase R dependency to R3.5.1 to solve this problem
v1.0.1 created on Mar. 7, 2019
  (1) fixed 1 warning and 2 notes reported by CRAN teams' auto-check service
  (2) deleted unused functions and comments in R files
v1.0.0 created on Feb. 19, 2019
  (1) ready for submission
