seafan

Mar 16, 2024

Changes in this version

type ChData

+ func (ch *ChData) InitOld() (err error)

Dec 9, 2023

Changes in this version

type Levels

+ func (l Levels) String() string

May 11, 2023

Changes in this version

+ var Height = 1200.0

+ var Width = 1200.0

Apr 12, 2023

Changes in this version

type GData

+ func (gd *GData) Copy() (gdOut *GData, err error)

Mar 21, 2023

Changes in this version

+ func LocInd(needle any, haystack *Raw) int

type ChData

+ func (ch *ChData) Join(right Pipeline, onField string, joinType JoinType) (result Pipeline, err error)

type GData

+ func (gd *GData) AddRaw(data [][]any, fields []string, fts FTypes, keepRaw bool) error

+ func (gd *GData) GetFType(field string) *FType

+ func (gd *GData) GetFTypes() FTypes

+ func (gd *GData) Join(right *GData, onField string, joinType JoinType) (result *GData, err error)

+ type JoinType int

+ const Inner

+ const Left

+ const Outer

+ const Right

+ func (i JoinType) String() string

type Pipeline

+ Join func(right Pipeline, onField string, joinType JoinType) (Pipeline, error)

type VecData

+ func (vec *VecData) Join(right Pipeline, onField string, joinType JoinType) (result Pipeline, err error)

Mar 17, 2023

Changes in this version

type ChData

+ func (ch *ChData) AppendRows(gd *GData, fTypes FTypes) (pipeOut Pipeline, err error)

+ func (ch *ChData) AppendRowsRaw(gd *GData) error

+ func (ch *ChData) ReInit(ftypes *FTypes) (pipeOut Pipeline, err error)

type GData

+ func (gd *GData) AppendRows(gdApp *GData, fTypes FTypes) (gdOut *GData, err error)

+ func (gd *GData) AppendRowsRaw(gdApp *GData) error

+ func (gd *GData) ReInit(fTypes *FTypes) (gdOut *GData, err error)

type Pipeline

+ AppendRows func(gd *GData, fTypes FTypes) (pipeOut Pipeline, err error)

+ AppendRowsRaw func(gd *GData) error

+ ReInit func(ftypes *FTypes) (pipeOut Pipeline, err error)

type VecData

+ func (vec *VecData) AppendRows(gd *GData, fTypes FTypes) (pipeOut Pipeline, err error)

+ func (vec *VecData) AppendRowsRaw(gd *GData) error

+ func (vec *VecData) ReInit(ftypes *FTypes) (pipeOut Pipeline, err error)

Mar 17, 2023

Changes in this version

type ChData

+ func (ch *ChData) Drop(field string) error

+ func (ch *ChData) FieldCount() int

+ func (ch *ChData) Keep(fields []string) error

+ func (ch *ChData) Row(take int) (newPipe Pipeline, err error)

+ func (ch *ChData) Subset(rows []int) (newPipe Pipeline, err error)

+ func (ch *ChData) Where(field string, equalTo []any) (newPipe Pipeline, err error)

type GData

+ func (gd *GData) Row(take int) (gdNew *GData, err error)

+ func (gd *GData) Subset(keepRows []int) (gdOut *GData, err error)

+ func (gd *GData) Where(field string, equalTo []any) (gdOut *GData, err error)

type Pipeline

+ Drop func(field string) error

+ FieldCount func() int

+ Keep func(fields []string) error

+ Subset func(rows []int) (newPipe Pipeline, err error)

+ Where func(field string, equalTo []any) (newPipe Pipeline, err error)

type VecData

+ func (vec *VecData) Drop(field string) error

+ func (vec *VecData) FieldCount() int

+ func (vec *VecData) Keep(fields []string) error

+ func (vec *VecData) Row(take int) (newPipe Pipeline, err error)

+ func (vec *VecData) Subset(rows []int) (newPipe Pipeline, err error)

+ func (vec *VecData) Where(field string, equalTo []any) (newPipe Pipeline, err error)

Mar 16, 2023

Changes in this version

type Pipeline

+ func VecFromAny(data [][]any, fields []string, ftypes FTypes) (pipe Pipeline, err error)

Mar 16, 2023

Changes in this version

type Pipeline

+ func Append(pipe1, pipe2 Pipeline) (Pipeline, error)

+ func Subset(inPipe Pipeline, keepRows []int) (outPipe Pipeline, err error)

+ func Where(inPipe Pipeline, field string, equalTo []any) (outPipe Pipeline, err error)

Mar 8, 2023

Changes in this version

type GData

+ func (gd *GData) Keep(fields []string) error

type Pipeline

+ func VecDataAny(data [][]any, fields []string, ftypes FTypes) (pipe Pipeline, err error)

Mar 6, 2023

Changes in this version

+ var Functions []FuncSpec

+ var FunctionsStr string

+ func Any2Date(inVal any) any

+ func Any2Float32(inVal any) any

+ func Any2Float64(inVal any) any

+ func Any2Int(inVal any) any

+ func Any2Int32(inVal any) any

+ func Any2Int64(inVal any) any

+ func Any2Kind(inVal any, kind reflect.Kind) any

+ func Any2String(inVal any) any

type ChData

+ func (ch *ChData) GetKeepRaw() bool

type FRole

+ const FREither

+ type FuncSpec struct

+ Args []reflect.Kind

+ Level rune

+ Name string

+ Return reflect.Kind

type GDatum

+ Raw *Raw

type OpNode

+ Func *FuncSpec

+ Role FRole

type Opts

+ func WithKeepRaw(keepRaw bool) Opts

type Pipeline

+ GetKeepRaw func() bool

type Raw

+ func (r *Raw) CumeAfter(missing any, aggType string) (*Raw, error)

+ func (r *Raw) CumeBefore(missing any, aggType string) (*Raw, error)

+ func (r *Raw) Exp() (*Raw, error)

+ func (r *Raw) Index(indices *Raw) (*Raw, error)

+ func (r *Raw) IsNumeric() bool

+ func (r *Raw) Lag(missing any) (*Raw, error)

+ func (r *Raw) Log() (*Raw, error)

+ func (r *Raw) Max() (*Raw, error)

+ func (r *Raw) Mean() (*Raw, error)

+ func (r *Raw) Min() (*Raw, error)

+ func (r *Raw) Pow(exponent *Raw) (*Raw, error)

+ func (r *Raw) Product() (*Raw, error)

+ func (r *Raw) Std() (*Raw, error)

+ func (r *Raw) Sum() (*Raw, error)

type VecData

+ func (vec *VecData) GetKeepRaw() bool

Mar 2, 2023

Changes in this version

+ func Comparer(xa, xb any, comp string) (truth bool, err error)

+ func GTAny(xa, xb any) (truth bool, err error)

Mar 1, 2023

Changes in this version

type GData

+ func (gd *GData) Back2Raw() (rawData []*Raw, nCol int, fields []string, err error)

+ func (gd *GData) GetData() []*GDatum

type OpNode

+ Raw *Raw

+ func CopyNode(src *OpNode) (dest *OpNode)

Feb 27, 2023

Changes in this version

+ func PipeToCSV(pipe Pipeline, outFile string) error

+ func PipeToSQL(pipe Pipeline, table string, conn *chutils.Connect) error

type Pipeline

+ func CSVToPipe(csvFile string, fts FTypes) (pipe Pipeline, err error)

+ func Join(pipe1, pipe2 Pipeline, joinField string) (joined Pipeline, err error)

+ func SQLToPipe(sql string, fts FTypes, conn *chutils.Connect) (pipe Pipeline, err error)

Feb 22, 2023

Changes in this version

+ func ExportCSV(pipe Pipeline, outFile string) error

+ func ExportSQL(pipe Pipeline, table string, conn *chutils.Connect) error

type Pipeline

+ func PipeCSV(csvFile string) (pipe Pipeline, err error)

+ func PipeSQL(sql string, conn *chutils.Connect) (pipe Pipeline, err error)

Feb 9, 2023

Changes in this version

+ func Loop(loopVar string, start, end int, inner []*OpNode, assign []string, ...) error

Feb 3, 2023

Changes in this version

+ func EvalSFunction(node *OpNode) error

Jan 31, 2023

Changes in this version

+ func AddToPipe(rootNode *OpNode, fieldName string, pipe Pipeline) error

+ func Evaluate(curNode *OpNode, pipe Pipeline) error

+ func Expr2Tree(curNode *OpNode) error

+ type OpNode struct

+ Expression string

+ FunName string

+ Inputs []*OpNode

+ Neg bool

+ Value []float64

Oct 26, 2022

Changes in this version

+ func R2(y, yhat []float64) float64

Oct 24, 2022

Changes in this version

+ func SegPlot(pipe Pipeline, obs, fit, seg string, plt *PlotDef, minVal, maxVal *float64) error

+ func UnNormalize(vals []float64, ft *FType) (unNorm []float64)

type GData

+ func (gd *GData) AppendField(newData *Raw, name string, fRole FRole) error

type ModSpec

+ func (m ModSpec) TargetName() string

Oct 11, 2022

Changes in this version

type GData

+ func (gd *GData) Close() error

+ func (gd *GData) CountLines() (numLines int, err error)

+ func (gd *GData) Read(nTarget int, validate bool) (data []chutils.Row, valid []chutils.Valid, err error)

+ func (gd *GData) Reset() error

+ func (gd *GData) Seek(lineNo int) error

+ func (gd *GData) TableSpec() *chutils.TableDef

Oct 4, 2022

Changes in this version

type Fit

+ func (ft *Fit) NNModel() *NNModel

type NNModel

+ func (m *NNModel) ModSpec() ModSpec

+ func (m *NNModel) Opts() []NNOpts

Sep 30, 2022

Changes in this version

type NNet

+ Cols func() int

Sep 28, 2022

Changes in this version

type NNModel

+ func (m *NNModel) Cols() int

Sep 27, 2022

Changes in this version

type GData

+ func (gd *GData) Drop(field string)

Sep 26, 2022

Changes in this version

type Pipeline

+ Describe func(field string, topK int) string

Sep 26, 2022

Changes in this version

type NNModel

+ func PredictNNwFts(fileRoot string, pipe Pipeline, build bool, fts FTypes, opts ...NNOpts) (nn *NNModel, err error)

Sep 26, 2022

Changes in this version

type GData

+ func (gd *GData) UpdateFts(newFts FTypes) (*GData, error)

Sep 22, 2022

Changes in this version

type NNModel

+ func (m *NNModel) OutputCols() int

Sep 16, 2022

Changes in this version

type Pipeline

+ GetFTypes func() FTypes

Sep 5, 2022

Changes in this version

+ var Browser = "firefox"

+ var Verbose = true

+ func AnyLess(x, y any) (bool, error)

+ func CrossEntropy(model NNet) (cost *G.Node)

+ func Decile(xy *XY, plt *PlotDef) error

+ func GetNode(ns G.Nodes, name string) *G.Node

+ func KS(xy *XY, plt *PlotDef) (ks float64, notTarget *Desc, target *Desc, err error)

+ func LeakyReluAct(n *G.Node, alpha float64) *G.Node

+ func LinearAct(n *G.Node) *G.Node

+ func Marginal(nnFile string, feat string, target []int, pipe Pipeline, restrict *Slice) error

+ func Max(a, b int) int

+ func Min(a, b int) int

+ func Plotter(fig *grob.Fig, lay *grob.Layout, pd *PlotDef) error

+ func RMS(model NNet) (cost *G.Node)

+ func ReluAct(n *G.Node) *G.Node

+ func SigmoidAct(n *G.Node) *G.Node

+ func SoftMaxAct(n *G.Node) *G.Node

+ func SoftRMS(model NNet) (cost *G.Node)

+ func Strip(s string) (left, inner string, err error)

+ func Unique(xs []any) []any

+ func Wrapper(e error, text string) error

+ type Activation int

+ const LeakyRelu

+ const Linear

+ const Relu

+ const Sigmoid

+ const SoftMax

+ func StrAct(s string) (*Activation, float64)

+ func (i Activation) String() string

+ type Args map[string]string

+ func MakeArgs(s string) (keyval Args, err error)

+ func (kv Args) Get(key string, kind reflect.Kind) (val any)

+ type ChData struct

+ func NewChData(name string, opts ...Opts) *ChData

+ func (ch *ChData) Batch(inputs G.Nodes) bool

+ func (ch *ChData) BatchSize() int

+ func (ch *ChData) Cols(field string) int

+ func (ch *ChData) Describe(field string, topK int) string

+ func (ch *ChData) Epoch(setTo int) int

+ func (ch *ChData) FieldList() []string

+ func (ch *ChData) GData() *GData

+ func (ch *ChData) Get(field string) *GDatum

+ func (ch *ChData) GetFType(field string) *FType

+ func (ch *ChData) GetFTypes() FTypes

+ func (ch *ChData) Init() (err error)

+ func (ch *ChData) IsCat(field string) bool

+ func (ch *ChData) IsCts(field string) bool

+ func (ch *ChData) IsNormalized(field string) bool

+ func (ch *ChData) IsSorted() bool

+ func (ch *ChData) Name() string

+ func (ch *ChData) Rows() int

+ func (ch *ChData) SaveFTypes(fileName string) error

+ func (ch *ChData) Shuffle()

+ func (ch *ChData) Slice(sl Slicer) (Pipeline, error)

+ func (ch *ChData) Sort(field string, ascending bool) error

+ func (ch *ChData) SortField() string

+ func (ch *ChData) String() string

+ type CostFunc func(model NNet) *G.Node

+ type DOLayer struct

+ DropProb float64

+ func DropOutParse(s string) (*DOLayer, error)

+ type Desc struct

+ Mean float64

+ N int

+ Name string

+ Q []float64

+ Std float64

+ U []float64

+ func Assess(xy *XY, cutoff float64) (n int, precision, recall, accuracy float64, obs, fit *Desc, err error)

+ func NewDesc(u []float64, name string) (*Desc, error)

+ func (d *Desc) Populate(x []float64, noSort bool, sl Slicer)

+ func (d *Desc) String() string

+ type FCLayer struct

+ Act Activation

+ ActParm float64

+ Bias bool

+ Size int

+ func FCParse(s string) (fc *FCLayer, err error)

+ type FParam struct

+ Default any

+ Location float64

+ Lvl Levels

+ Scale float64

+ type FRole int

+ const FRCat

+ const FRCts

+ const FREmbed

+ const FROneHot

+ func (i FRole) String() string

+ type FType struct

+ Cats int

+ EmbCols int

+ FP *FParam

+ From string

+ Name string

+ Normalized bool

+ Role FRole

+ func (ft *FType) String() string

+ type FTypes []*FType

+ func LoadFTypes(fileName string) (fts FTypes, err error)

+ func (fts FTypes) DropFields(dropFields ...string) FTypes

+ func (fts FTypes) Get(name string) *FType

+ func (fts FTypes) Save(fileName string) (err error)

+ type Fit struct

+ func NewFit(nn NNet, epochs int, p Pipeline, opts ...FitOpts) *Fit

+ func (ft *Fit) BestEpoch() int

+ func (ft *Fit) Do() (err error)

+ func (ft *Fit) InCosts() *XY

+ func (ft *Fit) OutCosts() *XY

+ func (ft *Fit) OutFile() string

+ type FitOpts func(*Fit)

+ func WithL2Reg(penalty float64) FitOpts

+ func WithLearnRate(lrStart, lrEnd float64) FitOpts

+ func WithOutFile(fileName string) FitOpts

+ func WithShuffle(interval int) FitOpts

+ func WithValidation(p Pipeline, wait int) FitOpts

+ type GData struct

+ func NewGData() *GData

+ func (gd *GData) AppendC(raw *Raw, name string, normalize bool, fp *FParam) error

+ func (gd *GData) AppendD(raw *Raw, name string, fp *FParam) error

+ func (gd *GData) FieldCount() int

+ func (gd *GData) FieldList() []string

+ func (gd *GData) Get(name string) *GDatum

+ func (gd *GData) GetRaw(field string) (*Raw, error)

+ func (gd *GData) IsSorted() bool

+ func (gd *GData) Len() int

+ func (gd *GData) Less(i, j int) bool

+ func (gd *GData) MakeOneHot(from, name string) error

+ func (gd *GData) Rows() int

+ func (gd *GData) Shuffle()

+ func (gd *GData) Slice(sl Slicer) (*GData, error)

+ func (gd *GData) Sort(field string, ascending bool) error

+ func (gd *GData) SortField() string

+ func (gd *GData) Swap(i, j int)

+ type GDatum struct

+ Data any

+ FT *FType

+ Summary Summary

+ func (g *GDatum) Describe(topK int) string

+ func (g *GDatum) String() string

+ type Layer int

+ const DropOut

+ const FC

+ const Input

+ const Target

+ func (i Layer) String() string

+ type Levels map[any]int32

+ func ByCounts(data *Raw, sl Slicer) Levels

+ func ByPtr(data *Raw) Levels

+ func (l Levels) FindValue(val int32) any

+ func (l Levels) Sort(byName, ascend bool) (key []any, val []int32)

+ func (l Levels) TopK(topNum int, byName, ascend bool) string

+ type ModSpec []string

+ func LoadModSpec(fileName string) (ms ModSpec, err error)

+ func (m ModSpec) Check() error

+ func (m ModSpec) DropOut(loc int) *DOLayer

+ func (m ModSpec) FC(loc int) *FCLayer

+ func (m ModSpec) Inputs(p Pipeline) (FTypes, error)

+ func (m ModSpec) LType(i int) (*Layer, error)

+ func (m ModSpec) Save(fileName string) (err error)

+ func (m ModSpec) Target(p Pipeline) (*FType, error)

+ type NNModel struct

+ func LoadNN(fileRoot string, p Pipeline, build bool) (nn *NNModel, err error)

+ func NewNNModel(modSpec ModSpec, pipe Pipeline, build bool, no ...NNOpts) (*NNModel, error)

+ func PredictNN(fileRoot string, p Pipeline, build bool, opts ...NNOpts) (nn *NNModel, err error)

+ func (m *NNModel) Cost() *G.Node

+ func (m *NNModel) CostFlt() float64

+ func (m *NNModel) CostFn() CostFunc

+ func (m *NNModel) Features() G.Nodes

+ func (m *NNModel) FitSlice() []float64

+ func (m *NNModel) Fitted() G.Result

+ func (m *NNModel) Fwd()

+ func (m *NNModel) G() *G.ExprGraph

+ func (m *NNModel) InputFT() FTypes

+ func (m *NNModel) Inputs() G.Nodes

+ func (m *NNModel) Name() string

+ func (m *NNModel) Obs() *G.Node

+ func (m *NNModel) ObsSlice() []float64

+ func (m *NNModel) Params() G.Nodes

+ func (m *NNModel) Save(fileRoot string) (err error)

+ func (m *NNModel) String() string

+ type NNOpts func(model1 *NNModel)

+ func WithCostFn(cf CostFunc) NNOpts

+ func WithName(name string) NNOpts

+ type NNet interface

+ Cost func() *G.Node

+ CostFn func() CostFunc

+ Features func() G.Nodes

+ Fitted func() G.Result

+ Fwd func()

+ G func() *G.ExprGraph

+ Inputs func() G.Nodes

+ Obs func() *G.Node

+ Params func() G.Nodes

+ Save func(fileRoot string) error

+ type Opts func(c Pipeline)

+ func WithBatchSize(bsize int) Opts

+ func WithCallBack(cb Opts) Opts

+ func WithCats(names ...string) Opts

+ func WithCycle(cycle bool) Opts

+ func WithFtypes(fts FTypes) Opts

+ func WithNormalized(names ...string) Opts

+ func WithOneHot(name, from string) Opts

+ func WithReader(rdr any) Opts

+ type Pipeline interface

+ Batch func(inputs G.Nodes) bool

+ BatchSize func() int

+ Cols func(field string) int

+ Epoch func(setTo int) int

+ FieldList func() []string

+ GData func() *GData

+ Get func(field string) *GDatum

+ GetFType func(field string) *FType

+ Init func() error

+ IsCat func(field string) bool

+ IsCts func(field string) bool

+ IsNormalized func(field string) bool

+ Rows func() int

+ Shuffle func()

+ Slice func(sl Slicer) (Pipeline, error)

+ func AddFitted(pipeIn Pipeline, nnFile string, target []int) (Pipeline, error)

+ type PlotDef struct

+ FileName string

+ Height float64

+ Legend bool

+ STitle string

+ Show bool

+ Title string

+ Width float64

+ XTitle string

+ YTitle string

+ type Raw struct

+ Data []any

+ Kind reflect.Kind

+ func AllocRaw(n int, kind reflect.Kind) *Raw

+ func NewRaw(x []any, sl Slicer) *Raw

+ func NewRawCast(x any, sl Slicer) *Raw

+ func (r *Raw) Len() int

+ func (r *Raw) Less(i, j int) bool

+ func (r *Raw) Swap(i, j int)

+ type SeaError int

+ const ErrChData

+ const ErrData

+ const ErrDiags

+ const ErrFields

+ const ErrGData

+ const ErrModSpec

+ const ErrNNModel

+ const ErrPipe

+ const ErrVecData

+ func (seaErr SeaError) Error() string

+ type Slice struct

+ func NewSlice(feat string, minCnt int, pipe Pipeline, restrict []any) (*Slice, error)

+ func (s *Slice) Index() int32

+ func (s *Slice) Iter() bool

+ func (s *Slice) MakeSlicer() Slicer

+ func (s *Slice) Title() string

+ func (s *Slice) Value() any

+ type Slicer func(row int) bool

+ func SlicerAnd(s1, s2 Slicer) Slicer

+ func SlicerOr(s1, s2 Slicer) Slicer

+ type Summary struct

+ DistrC *Desc

+ DistrD Levels

+ NRows int

+ type VecData struct

+ func NewVecData(name string, data *GData, opts ...Opts) *VecData

+ func (vec *VecData) Batch(inputs G.Nodes) bool

+ func (vec *VecData) BatchSize() int

+ func (vec *VecData) Cols(field string) int

+ func (vec *VecData) Describe(field string, topK int) string

+ func (vec *VecData) Epoch(setTo int) int

+ func (vec *VecData) FieldList() []string

+ func (vec *VecData) GData() *GData

+ func (vec *VecData) Get(field string) *GDatum

+ func (vec *VecData) GetFType(field string) *FType

+ func (vec *VecData) GetFTypes() FTypes

+ func (vec *VecData) Init() error

+ func (vec *VecData) IsCat(field string) bool

+ func (vec *VecData) IsCts(field string) bool

+ func (vec *VecData) IsNormalized(field string) bool

+ func (vec *VecData) IsSorted() bool

+ func (vec *VecData) Name() string

+ func (vec *VecData) Rows() int

+ func (vec *VecData) SaveFTypes(fileName string) error

+ func (vec *VecData) Shuffle()

+ func (vec *VecData) Slice(sl Slicer) (Pipeline, error)

+ func (vec *VecData) Sort(field string, ascending bool) error

+ func (vec *VecData) SortField() string

+ func (vec *VecData) String() string

+ type XY struct

+ X []float64

+ Y []float64

+ func Coalesce(y, fit []float64, nCat int, trg []int, logodds bool, sl Slicer) (*XY, error)

+ func NewXY(x, y []float64) (*XY, error)

+ func (p *XY) Interp(xNew []float64) (*XY, error)

+ func (p *XY) Len() int

+ func (p *XY) Less(i, j int) bool

+ func (p *XY) Plot(pd *PlotDef, scatter bool) error

+ func (p *XY) Sort() error

+ func (p *XY) String() string

+ func (p *XY) Swap(i, j int)