IGLib  1.7.2
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alglib.dforest Class Reference

Classes

class  decisionforest
 
class  dfinternalbuffers
 
class  dfreport
 

Static Public Member Functions

static void dfbuildrandomdecisionforest (double[,] xy, int npoints, int nvars, int nclasses, int ntrees, double r, ref int info, decisionforest df, dfreport rep)
 
static void dfbuildrandomdecisionforestx1 (double[,] xy, int npoints, int nvars, int nclasses, int ntrees, int nrndvars, double r, ref int info, decisionforest df, dfreport rep)
 
static void dfbuildinternal (double[,] xy, int npoints, int nvars, int nclasses, int ntrees, int samplesize, int nfeatures, int flags, ref int info, decisionforest df, dfreport rep)
 
static void dfprocess (decisionforest df, double[] x, ref double[] y)
 
static void dfprocessi (decisionforest df, double[] x, ref double[] y)
 
static double dfrelclserror (decisionforest df, double[,] xy, int npoints)
 
static double dfavgce (decisionforest df, double[,] xy, int npoints)
 
static double dfrmserror (decisionforest df, double[,] xy, int npoints)
 
static double dfavgerror (decisionforest df, double[,] xy, int npoints)
 
static double dfavgrelerror (decisionforest df, double[,] xy, int npoints)
 
static void dfcopy (decisionforest df1, decisionforest df2)
 
static void dfalloc (alglib.serializer s, decisionforest forest)
 
static void dfserialize (alglib.serializer s, decisionforest forest)
 
static void dfunserialize (alglib.serializer s, decisionforest forest)
 
static void dfbuildrandomdecisionforest (double[,] xy, int npoints, int nvars, int nclasses, int ntrees, double r, ref int info, decisionforest df, dfreport rep)
 
static void dfbuildrandomdecisionforestx1 (double[,] xy, int npoints, int nvars, int nclasses, int ntrees, int nrndvars, double r, ref int info, decisionforest df, dfreport rep)
 
static void dfbuildinternal (double[,] xy, int npoints, int nvars, int nclasses, int ntrees, int samplesize, int nfeatures, int flags, ref int info, decisionforest df, dfreport rep)
 
static void dfprocess (decisionforest df, double[] x, ref double[] y)
 
static void dfprocessi (decisionforest df, double[] x, ref double[] y)
 
static double dfrelclserror (decisionforest df, double[,] xy, int npoints)
 
static double dfavgce (decisionforest df, double[,] xy, int npoints)
 
static double dfrmserror (decisionforest df, double[,] xy, int npoints)
 
static double dfavgerror (decisionforest df, double[,] xy, int npoints)
 
static double dfavgrelerror (decisionforest df, double[,] xy, int npoints)
 
static void dfcopy (decisionforest df1, decisionforest df2)
 
static void dfalloc (alglib.serializer s, decisionforest forest)
 
static void dfserialize (alglib.serializer s, decisionforest forest)
 
static void dfunserialize (alglib.serializer s, decisionforest forest)
 

Public Attributes

const int innernodewidth = 3
 
const int leafnodewidth = 2
 
const int dfusestrongsplits = 1
 
const int dfuseevs = 2
 
const int dffirstversion = 0
 

Static Private Member Functions

static int dfclserror (decisionforest df, double[,] xy, int npoints)
 
static void dfprocessinternal (decisionforest df, int offs, double[] x, ref double[] y)
 
static void dfbuildtree (double[,] xy, int npoints, int nvars, int nclasses, int nfeatures, int nvarsinpool, int flags, dfinternalbuffers bufs)
 
static void dfbuildtreerec (double[,] xy, int npoints, int nvars, int nclasses, int nfeatures, int nvarsinpool, int flags, ref int numprocessed, int idx1, int idx2, dfinternalbuffers bufs)
 
static void dfsplitc (ref double[] x, ref int[] c, ref int[] cntbuf, int n, int nc, int flags, ref int info, ref double threshold, ref double e, ref double[] sortrbuf, ref int[] sortibuf)
 
static void dfsplitr (ref double[] x, ref double[] y, int n, int flags, ref int info, ref double threshold, ref double e, ref double[] sortrbuf, ref double[] sortrbuf2)
 
static int dfclserror (decisionforest df, double[,] xy, int npoints)
 
static void dfprocessinternal (decisionforest df, int offs, double[] x, ref double[] y)
 
static void dfbuildtree (double[,] xy, int npoints, int nvars, int nclasses, int nfeatures, int nvarsinpool, int flags, dfinternalbuffers bufs, hqrnd.hqrndstate rs)
 
static void dfbuildtreerec (double[,] xy, int npoints, int nvars, int nclasses, int nfeatures, int nvarsinpool, int flags, ref int numprocessed, int idx1, int idx2, dfinternalbuffers bufs, hqrnd.hqrndstate rs)
 
static void dfsplitc (ref double[] x, ref int[] c, ref int[] cntbuf, int n, int nc, int flags, ref int info, ref double threshold, ref double e, ref double[] sortrbuf, ref int[] sortibuf)
 
static void dfsplitr (ref double[] x, ref double[] y, int n, int flags, ref int info, ref double threshold, ref double e, ref double[] sortrbuf, ref double[] sortrbuf2)
 

Member Function Documentation

static void alglib.dforest.dfbuildrandomdecisionforest ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  ntrees,
double  r,
ref int  info,
decisionforest  df,
dfreport  rep 
)
inlinestatic

References alglib.dforest.dfbuildinternal(), and alglib.dforest.dfuseevs.

Referenced by alglib.dfbuildrandomdecisionforest().

static void alglib.dforest.dfbuildrandomdecisionforestx1 ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  ntrees,
int  nrndvars,
double  r,
ref int  info,
decisionforest  df,
dfreport  rep 
)
inlinestatic

References alglib.dforest.dfbuildinternal().

Referenced by alglib.dfbuildrandomdecisionforestx1().

static void alglib.dforest.dfbuildinternal ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  ntrees,
int  samplesize,
int  nfeatures,
int  flags,
ref int  info,
decisionforest  df,
dfreport  rep 
)
inlinestatic

References alglib.dforest.dfreport.avgce, alglib.dforest.dfreport.avgerror, alglib.dforest.dfreport.avgrelerror, alglib.dforest.decisionforest.bufsize, alglib.dforest.dfinternalbuffers.classibuf, alglib.dforest.dfavgce(), alglib.dforest.dfavgerror(), alglib.dforest.dfavgrelerror(), alglib.dforest.dfbuildtree(), alglib.dforest.dfprocessinternal(), alglib.dforest.dfrelclserror(), alglib.dforest.dfrmserror(), alglib.dforest.dfinternalbuffers.evsbin, alglib.dforest.dfinternalbuffers.evssplits, alglib.dforest.dfinternalbuffers.idxbuf, alglib.math.minrealnumber, alglib.dforest.decisionforest.nclasses, alglib.dforest.decisionforest.ntrees, alglib.dforest.decisionforest.nvars, alglib.dforest.dfreport.oobavgce, alglib.dforest.dfreport.oobavgerror, alglib.dforest.dfreport.oobavgrelerror, alglib.dforest.dfreport.oobrelclserror, alglib.dforest.dfreport.oobrmserror, alglib.math.randominteger(), alglib.dforest.dfreport.relclserror, alglib.dforest.dfreport.rmserror, alglib.dforest.dfinternalbuffers.sortibuf, alglib.dforest.dfinternalbuffers.sortrbuf, alglib.dforest.dfinternalbuffers.sortrbuf2, alglib.math.sqr(), alglib.dforest.dfinternalbuffers.tmpbufi, alglib.dforest.dfinternalbuffers.tmpbufr, alglib.dforest.dfinternalbuffers.tmpbufr2, alglib.dforest.dfinternalbuffers.treebuf, alglib.dforest.decisionforest.trees, and alglib.dforest.dfinternalbuffers.varpool.

Referenced by alglib.testdforestunit.basictest1(), alglib.testdforestunit.basictest2(), alglib.testdforestunit.basictest3(), alglib.testdforestunit.basictest4(), alglib.testdforestunit.basictest5(), alglib.dforest.dfbuildrandomdecisionforest(), alglib.dforest.dfbuildrandomdecisionforestx1(), alglib.testdforestunit.testprocessing(), and alglib.testdforestunit.unsetdf().

static void alglib.dforest.dfprocess ( decisionforest  df,
double[]  x,
ref double[]  y 
)
inlinestatic

References alglib.dforest.dfprocessinternal(), alglib.dforest.decisionforest.nclasses, alglib.dforest.decisionforest.ntrees, and alglib.dforest.decisionforest.trees.

Referenced by alglib.testdforestunit.basictest1(), alglib.testdforestunit.basictest2(), alglib.testdforestunit.basictest3(), alglib.testdforestunit.basictest4(), alglib.testdforestunit.basictest5(), alglib.dforest.dfavgce(), alglib.dforest.dfavgerror(), alglib.dforest.dfavgrelerror(), alglib.dforest.dfclserror(), alglib.dfprocess(), alglib.dforest.dfprocessi(), alglib.dforest.dfrmserror(), and alglib.testdforestunit.testprocessing().

static void alglib.dforest.dfprocessi ( decisionforest  df,
double[]  x,
ref double[]  y 
)
inlinestatic

References alglib.dforest.dfprocess().

Referenced by alglib.dfprocessi().

static double alglib.dforest.dfrelclserror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic

References alglib.dforest.dfclserror().

Referenced by alglib.dforest.dfbuildinternal(), and alglib.dfrelclserror().

static double alglib.dforest.dfavgce ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic

References alglib.dforest.dfprocess(), alglib.math.minrealnumber, alglib.dforest.decisionforest.nclasses, and alglib.dforest.decisionforest.nvars.

Referenced by alglib.dfavgce(), and alglib.dforest.dfbuildinternal().

static double alglib.dforest.dfrmserror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic

References alglib.dforest.dfprocess(), alglib.dforest.decisionforest.nclasses, alglib.dforest.decisionforest.nvars, and alglib.math.sqr().

Referenced by alglib.dforest.dfbuildinternal(), and alglib.dfrmserror().

static double alglib.dforest.dfavgerror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic

References alglib.dforest.dfprocess(), alglib.dforest.decisionforest.nclasses, and alglib.dforest.decisionforest.nvars.

Referenced by alglib.dfavgerror(), and alglib.dforest.dfbuildinternal().

static double alglib.dforest.dfavgrelerror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic

References alglib.dforest.dfprocess(), alglib.dforest.decisionforest.nclasses, and alglib.dforest.decisionforest.nvars.

Referenced by alglib.dfavgrelerror(), and alglib.dforest.dfbuildinternal().

static void alglib.dforest.dfcopy ( decisionforest  df1,
decisionforest  df2 
)
inlinestatic

References alglib.dforest.decisionforest.bufsize, alglib.dforest.decisionforest.nclasses, alglib.dforest.decisionforest.ntrees, alglib.dforest.decisionforest.nvars, and alglib.dforest.decisionforest.trees.

Referenced by alglib.testdforestunit.testprocessing().

static void alglib.dforest.dfalloc ( alglib.serializer  s,
decisionforest  forest 
)
inlinestatic

References alglib.apserv.allocrealarray(), alglib.dforest.decisionforest.bufsize, and alglib.dforest.decisionforest.trees.

Referenced by alglib.dfserialize(), and alglib.testdforestunit.testprocessing().

static void alglib.dforest.dfserialize ( alglib.serializer  s,
decisionforest  forest 
)
inlinestatic

References alglib.dforest.decisionforest.bufsize, alglib.scodes.getrdfserializationcode(), alglib.dforest.decisionforest.nclasses, alglib.dforest.decisionforest.ntrees, alglib.dforest.decisionforest.nvars, alglib.apserv.serializerealarray(), and alglib.dforest.decisionforest.trees.

Referenced by alglib.dfserialize(), and alglib.testdforestunit.testprocessing().

static void alglib.dforest.dfunserialize ( alglib.serializer  s,
decisionforest  forest 
)
inlinestatic

References alglib.ap.assert(), alglib.dforest.decisionforest.bufsize, alglib.scodes.getrdfserializationcode(), alglib.dforest.decisionforest.nclasses, alglib.dforest.decisionforest.ntrees, alglib.dforest.decisionforest.nvars, alglib.dforest.decisionforest.trees, and alglib.apserv.unserializerealarray().

Referenced by alglib.dfunserialize(), and alglib.testdforestunit.testprocessing().

static int alglib.dforest.dfclserror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestaticprivate

References alglib.dforest.dfprocess(), alglib.dforest.decisionforest.nclasses, and alglib.dforest.decisionforest.nvars.

Referenced by alglib.dforest.dfrelclserror().

static void alglib.dforest.dfprocessinternal ( decisionforest  df,
int  offs,
double[]  x,
ref double[]  y 
)
inlinestaticprivate

References alglib.dforest.innernodewidth, alglib.dforest.decisionforest.nclasses, and alglib.dforest.decisionforest.trees.

Referenced by alglib.dforest.dfbuildinternal(), and alglib.dforest.dfprocess().

static void alglib.dforest.dfbuildtree ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  nfeatures,
int  nvarsinpool,
int  flags,
dfinternalbuffers  bufs 
)
inlinestaticprivate

References alglib.ap.assert(), alglib.dforest.dfbuildtreerec(), alglib.dforest.dfinternalbuffers.idxbuf, and alglib.dforest.dfinternalbuffers.treebuf.

Referenced by alglib.dforest.dfbuildinternal().

static void alglib.dforest.dfbuildtreerec ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  nfeatures,
int  nvarsinpool,
int  flags,
ref int  numprocessed,
int  idx1,
int  idx2,
dfinternalbuffers  bufs 
)
inlinestaticprivate

References alglib.ap.assert(), alglib.dforest.dfinternalbuffers.classibuf, alglib.dforest.dfsplitc(), alglib.dforest.dfsplitr(), alglib.dforest.dfinternalbuffers.evsbin, alglib.dforest.dfinternalbuffers.evssplits, alglib.dforest.dfinternalbuffers.idxbuf, alglib.dforest.innernodewidth, alglib.dforest.leafnodewidth, alglib.math.randominteger(), alglib.dforest.dfinternalbuffers.sortibuf, alglib.dforest.dfinternalbuffers.sortrbuf, alglib.dforest.dfinternalbuffers.sortrbuf2, alglib.math.sqr(), alglib.dforest.dfinternalbuffers.tmpbufi, alglib.dforest.dfinternalbuffers.tmpbufr, alglib.dforest.dfinternalbuffers.tmpbufr2, alglib.dforest.dfinternalbuffers.treebuf, and alglib.dforest.dfinternalbuffers.varpool.

Referenced by alglib.dforest.dfbuildtree().

static void alglib.dforest.dfsplitc ( ref double[]  x,
ref int[]  c,
ref int[]  cntbuf,
int  n,
int  nc,
int  flags,
ref int  info,
ref double  threshold,
ref double  e,
ref double[]  sortrbuf,
ref int[]  sortibuf 
)
inlinestaticprivate

References alglib.ap.assert(), alglib.math.maxrealnumber, alglib.math.sqr(), and alglib.tsort.tagsortfasti().

Referenced by alglib.dforest.dfbuildtreerec().

static void alglib.dforest.dfsplitr ( ref double[]  x,
ref double[]  y,
int  n,
int  flags,
ref int  info,
ref double  threshold,
ref double  e,
ref double[]  sortrbuf,
ref double[]  sortrbuf2 
)
inlinestaticprivate

References alglib.ap.assert(), alglib.math.maxrealnumber, alglib.math.sqr(), and alglib.tsort.tagsortfastr().

Referenced by alglib.dforest.dfbuildtreerec().

static void alglib.dforest.dfbuildrandomdecisionforest ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  ntrees,
double  r,
ref int  info,
decisionforest  df,
dfreport  rep 
)
inlinestatic
static void alglib.dforest.dfbuildrandomdecisionforestx1 ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  ntrees,
int  nrndvars,
double  r,
ref int  info,
decisionforest  df,
dfreport  rep 
)
inlinestatic
static void alglib.dforest.dfbuildinternal ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  ntrees,
int  samplesize,
int  nfeatures,
int  flags,
ref int  info,
decisionforest  df,
dfreport  rep 
)
inlinestatic
static void alglib.dforest.dfprocess ( decisionforest  df,
double[]  x,
ref double[]  y 
)
inlinestatic
static void alglib.dforest.dfprocessi ( decisionforest  df,
double[]  x,
ref double[]  y 
)
inlinestatic
static double alglib.dforest.dfrelclserror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic
static double alglib.dforest.dfavgce ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic
static double alglib.dforest.dfrmserror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic
static double alglib.dforest.dfavgerror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic
static double alglib.dforest.dfavgrelerror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestatic
static void alglib.dforest.dfcopy ( decisionforest  df1,
decisionforest  df2 
)
inlinestatic
static void alglib.dforest.dfalloc ( alglib.serializer  s,
decisionforest  forest 
)
inlinestatic
static void alglib.dforest.dfserialize ( alglib.serializer  s,
decisionforest  forest 
)
inlinestatic
static void alglib.dforest.dfunserialize ( alglib.serializer  s,
decisionforest  forest 
)
inlinestatic
static int alglib.dforest.dfclserror ( decisionforest  df,
double  xy[,],
int  npoints 
)
inlinestaticprivate
static void alglib.dforest.dfprocessinternal ( decisionforest  df,
int  offs,
double[]  x,
ref double[]  y 
)
inlinestaticprivate
static void alglib.dforest.dfbuildtree ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  nfeatures,
int  nvarsinpool,
int  flags,
dfinternalbuffers  bufs,
hqrnd.hqrndstate  rs 
)
inlinestaticprivate
static void alglib.dforest.dfbuildtreerec ( double  xy[,],
int  npoints,
int  nvars,
int  nclasses,
int  nfeatures,
int  nvarsinpool,
int  flags,
ref int  numprocessed,
int  idx1,
int  idx2,
dfinternalbuffers  bufs,
hqrnd.hqrndstate  rs 
)
inlinestaticprivate
static void alglib.dforest.dfsplitc ( ref double[]  x,
ref int[]  c,
ref int[]  cntbuf,
int  n,
int  nc,
int  flags,
ref int  info,
ref double  threshold,
ref double  e,
ref double[]  sortrbuf,
ref int[]  sortibuf 
)
inlinestaticprivate
static void alglib.dforest.dfsplitr ( ref double[]  x,
ref double[]  y,
int  n,
int  flags,
ref int  info,
ref double  threshold,
ref double  e,
ref double[]  sortrbuf,
ref double[]  sortrbuf2 
)
inlinestaticprivate

Member Data Documentation

const int alglib.dforest.innernodewidth = 3

Referenced by alglib.dforest.dfbuildtreerec(), and alglib.dforest.dfprocessinternal().

const int alglib.dforest.leafnodewidth = 2

Referenced by alglib.dforest.dfbuildtreerec().

const int alglib.dforest.dfusestrongsplits = 1
const int alglib.dforest.dfuseevs = 2

Referenced by alglib.dforest.dfbuildrandomdecisionforest().

const int alglib.dforest.dffirstversion = 0
The documentation for this class was generated from the following file: