Some minor edits and a new cover.
Signed-off-by: Lorraine Chapman <lorraine.chapman@lexisnexis.com>
Modifications to enable the inclusion of D3
Merge branch 'master' into VL
Decision Trees - Work in Progress

.Utils work
Add FatD - to remove sparseness from datasets of discrete fields
Add Gini - construct Gini impurity value
.Trees
First cut at decision tree implementation - works on discrete input
Decision Trees - output value creation

Created a more 'user friendly' output to the Decision tree module
The 'Splits' now show exactly how the tree is built and why
Modes now shows what the correct predicted value is for a node and how likely it is to be right
New correlations wlkthrough, updates to Numeric Field and Docs

Signed-off-by: Lorraine Chapman <lorraine.chapman@lexisnexis.com>
Version control and fixing Numeric Field section

Signed-off-by: Lorraine Chapman <lorraine.chapman@lexisnexis.com>
Added macros and templates to accommodate the D3 library
Updated to use standard chart dataset layout from Types.ecl
Minor fix to address a bug whereby the macro will not work if the layout
of the original rectangular matrix contains a field named "id".
Cleaned up some comments and formatting
Merge pull request #79 from lorraineachapman/documentation

Documentation
Merge pull request #81 from dwheelock/VL

Update to VL to include a call to D3
gh-82 Add support for passing css styles per chart.

Signed-off-by: Jo Prichard <jo.prichard@lexisnexis.com>
Merge pull request #83 from jprichard/gh-82

gh-82 Add support for passing css styles per chart.
Fix a couple of spelling errors in comments in trees.ecl
Merge pull request #78 from dabayliss/DecisionTree

Decision tree
QR decomposition
Merge pull request #84 from emuharemagic/QR_decomp

QR decomposition
householder - dependency for the QR decomposition