v. 0.7.0

• interval PLS variable selection (iPLS) is implemented
• normalization was added to preprocessing methods (prep.norm)
• method getRegcoeffs was added to PLS model
• automatic selection of optimal components in PLS (Wold's criterion and first local min)
• parameter cgroup for plots now can work with factors correctly (including ones with text levels)
• all documentation was converted to roxygen2 format
• NAMESPACE file is generated by roxygen2
• fixed several small bugs and typos

v. 0.6.2

• Q2 residuals renamed to Q (Squared residual distance)
• All plots have parameters lab.col and lab.cex for changing color and font size for data point labels

mdatools v. 0.6.1

• fixed a bug led to incorrect calculation of specificity
• jack-knife confidence intervals now also calculated for PLS-DA models
• confidence intervals for regression coefficients are shown by default if calculated

mdatools v. 0.6.0

• randomization test for PLS has been added, see ?randtest
• systematic and repeated random cross-validation are available, see ?crossval
• fixed bug with labels on bar plot with confidence intervals
• fixed bug in PLS when using maximum number of components lead to NA values in weights

mdatools v. 0.5.3

• small bug fixes
• improvements to documentation

mdatools v. 0.5.2

• fixed bug for computing classification performance for numeric class names
• improvements to SIMCA implementation

mdatools v. 0.5.1

• Help information has been refactored using roxygen2
• Added extra preprocessing methods (MSC)
• Added VIP scores calculation and plot for PLS and PLS-DA models
• Added Selectivity ratio calculation and plot for PLS and PLS-DA models
• Added calculation of confidence intervals for PLS regression coefficient using jack-knife
• Bug fixes and small improvements
• CRAN ready release

mdatools v. 0.4.0

• New classres class for representation and visualisation of classification results
• in PCA model, limits for T2 and Q2 now are calculated for all available components
• in PCA results, limits for T2 and Q2 calculated for a model are kept and shown on residuals plot
• added parameters xticklabels and yticklabels to mdaplot and mdaplotg functions
• New simca and simcares classes for one-class SIMCA model and results
• New simcam and simcamres classes for multiclass SIMCA model and results
• New plsdaand plsdaresclasses for PLS-DA model and results
• bug fixes and improvements

mdatools v. 0.3.2

• Enhancements in group bar plot
• Fixed bugs with wrong labels on a bar plot with negative values

mdatools v. 0.3.1

• Small bug fixes and changes to README.md.