Functions — github.com/javascriptdata/danfojs

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Functions561 in github.com/javascriptdata/danfojs

⨍ Functions 561◇ Types & classes 53

↓ 8 callersMethodmonthName

()

src/danfojs-base/shared/types.ts:338

↓ 8 callersMethodnUnique

()

src/danfojs-base/shared/types.ts:150

↓ 8 callersMethodreplaceUndefinedWithNaN

* Replaces all missing values with NaN. Missing values are undefined, Null and Infinity * @param arr The array * @param isSeries Whether the

src/danfojs-base/shared/utils.ts:215

↓ 7 callersMethod$setColumnNames

(columns: string[])

src/danfojs-base/shared/types.ts:93

↓ 7 callersFunctioncheckIfColsExist

(ndframe: DataFrame | Series, cols: string[])

src/danfojs-base/plotting/plotly/utils.ts:19

↓ 7 callersFunctionconcat

* Concatenate pandas objects along a particular axis. * @param object * dfList: Array of DataFrame or Series * axis: axis of concatenation 1 or 0 * @r

src/danfojs-base/transformers/concat.ts:137

↓ 7 callersFunctiondateRange

(param: Params)

src/danfojs-base/core/daterange.ts:268

↓ 7 callersMethodtoLowerCase

(options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:46

↓ 7 callersMethodtoUpperCase

(options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:83

↓ 6 callersMethod$logicalOps

(tensors: typeof tensorflow.Tensor[], operation: string)

src/danfojs-base/core/frame.ts:273

↓ 6 callersMethodboolOps

* Internal function to perform boolean operations * @param other Other Series or number to compare with * @param bOps Name of operation to p

src/danfojs-base/core/series.ts:1446

↓ 6 callersMethoddropDuplicates

(options?: { keep?: "first" | "last", inplace?: boolean })

src/danfojs-base/shared/types.ts:169

↓ 6 callersMethodhours

()

src/danfojs-base/shared/types.ts:340

↓ 6 callersMethodinverseTransform

* Inverse transform values back to original values. * @param data 1d array of labels, Tensor, or Series to be decoded. * @example * ``

src/danfojs-base/transformers/encoders/label.encoder.ts:124

↓ 6 callersMethodloadArrayIntoNdframe

* Internal function to load array of data into NDFrame * @param data The array of data to load into NDFrame * @param index Array of numeric

src/danfojs-base/core/generic.ts:109

↓ 6 callersMethodminimum

(other: Series | number | Array<number>)

src/danfojs-base/shared/types.ts:131

↓ 6 callersMethodminutes

()

src/danfojs-base/shared/types.ts:342

↓ 6 callersMethodseconds

()

src/danfojs-base/shared/types.ts:341

↓ 6 callersMethodunique

()

src/danfojs-base/shared/types.ts:149

↓ 6 callersMethodvalues

()

src/danfojs-base/shared/types.ts:100

↓ 5 callersMethodargMax

()

src/danfojs-base/shared/types.ts:166

↓ 5 callersMethodargMin

()

src/danfojs-base/shared/types.ts:167

↓ 5 callersMethodgetRowAndColValues

* Retrieve row array and column names from an object of the form {a: [1,2,3,4], b: [30,20, 30, 20]} * @param obj The object to retrieve rows and

src/danfojs-base/shared/utils.ts:180

↓ 5 callersMethodisDate

* Checks if a value is a date object * @param value A date object * @returns boolean

src/danfojs-base/shared/utils.ts:115

↓ 5 callersMethodisObject

* Checks if value is an object. * @param value The value to check. * @returns

src/danfojs-base/shared/utils.ts:66

↓ 5 callersMethodkeyInObject

* Checks if object has the specified key * @param obj The object to check. * @param key The key to find.

src/danfojs-base/shared/utils.ts:145

↓ 5 callersMethodmapIntegersToBooleans

* Maps integer values (0, 1) to boolean (false, true) * @param arr The array of integers * @param dim The dimension of the array

src/danfojs-base/shared/utils.ts:559

↓ 5 callersMethodtoJSON

(options?: any)

src/danfojs-base/core/generic.ts:473

↓ 4 callersMethodargSort

(options?: { ascending: boolean })

src/danfojs-base/shared/types.ts:165

↓ 4 callersMethodbasic

* The basic methos perform the underneath operation of generating * the merge dataframe; using the combination keys generated from * bothe left

src/danfojs-base/transformers/merge.ts:237

↓ 4 callersMethodcapitalize

(options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:119

↓ 4 callersMethodcharAt

(index = 0, options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:160

↓ 4 callersMethodcopy

* Makes a deep copy of a DataFrame. * @example * ``` * const df = new DataFrame([[1, 2], [3, 4]], { columns: ['A', 'B']}) * const

src/danfojs-base/core/frame.ts:2020

↓ 4 callersMethodcumOps

(ops: string, axis: number, inplace: boolean)

src/danfojs-base/core/frame.ts:1724

↓ 4 callersMethodcumOps

* Internal helper function to calculate cumulative operations on series data

src/danfojs-base/core/series.ts:1251

↓ 4 callersMethoddate

()

src/danfojs-base/shared/types.ts:343

↓ 4 callersMethoddayOfWeekName

* Returns the name of the day, of the week, in local time * @example * ``` * import { Series } from "danfojs-node" * const data =

src/danfojs-base/core/datetime.ts:148

↓ 4 callersMethodfreqType

* @param date Date * @param ftype string: frequency type, month, Year, day etc * @param number

src/danfojs-base/core/daterange.ts:138

↓ 4 callersMethodgetGroup

* Obtain a specific group * @param keys Array<string | number> * @returns DataFrame

src/danfojs-base/aggregators/groupby.ts:524

↓ 4 callersMethodiloc

* Purely integer-location based indexing for selection by position. * ``.iloc`` is primarily integer position based (from ``0`` to * ``length-

src/danfojs-base/core/series.ts:104

↓ 4 callersMethodisNull

* Checks if a value is null * @param value The value to check. * @returns

src/danfojs-base/shared/utils.ts:75

↓ 4 callersFunctionmerge

(params: mergeParam)

src/danfojs-base/transformers/merge.ts:384

↓ 4 callersMethodthrowErrorOnWrongParams

* Throws error when a required parameter is missing. * @param paramsObject The parameters passed to the function * @param paramsNeeded The r

src/danfojs-base/shared/utils.ts:536

↓ 4 callersMethodtoDataFrame

* Takes in internal groupby internal data and convert * them to a single data frame. * @param colDict

src/danfojs-base/aggregators/groupby.ts:389

↓ 4 callersMethodtoString

()

src/danfojs-base/shared/types.ts:176

↓ 4 callersMethodtranspose

(options?: { inplace?: boolean })

src/danfojs-base/shared/types.ts:285

↓ 3 callersFunction$downloadFileInBrowser

(content: any, fileName: string)

src/danfojs-base/io/browser/io.json.ts:175

↓ 3 callersMethod$getData

(data: Array<string | number> | typeof tensorflow.Tensor | Series)

src/danfojs-base/transformers/encoders/label.encoder.ts:32

↓ 3 callersMethod$getTensor

(data: number[] | number[][] | typeof tensorflow.Tensor | DataFrame | Series)

src/danfojs-base/transformers/scalers/standard.scaler.ts:37

↓ 3 callersMethod$getTensor

(data: number[] | number[][] | typeof tensorflow.Tensor | DataFrame | Series)

src/danfojs-base/transformers/scalers/min.max.scaler.ts:37

↓ 3 callersMethod$resetIndex

()

src/danfojs-base/shared/types.ts:92

↓ 3 callersMethod$setColumnData

* Updates the internal column data via column name. * @param column The name of the column to update. * @param arr The new column data

src/danfojs-base/core/frame.ts:145

↓ 3 callersMethod$setDtypes

(dtypes: Array<string>, infer: boolean)

src/danfojs-base/shared/types.ts:90

↓ 3 callersMethod$setInternalColumnDataProperty

* Maps all column names to their corresponding data, and return them as Series objects. * This makes column subsetting works. E.g this can work =

src/danfojs-base/core/frame.ts:61

↓ 3 callersFunction$toCSV

(df: NDframe | DataFrame | Series, options?: CsvOutputOptionsNode)

src/danfojs-base/io/node/io.csv.ts:293

↓ 3 callersFunction_iloc

({ ndFrame, rows, columns }: { ndFrame: NDframeInterface rows?: Array<string | number | boolean> | Ser

src/danfojs-base/core/indexing.ts:27

↓ 3 callersFunction_loc

({ ndFrame, rows, columns }: { ndFrame: NDframeInterface rows?: Array<string | number | boolean> | Ser

src/danfojs-base/core/indexing.ts:212

↓ 3 callersMethodapply

* Apply custom aggregator function * to each group * @param callable * @returns DataFrame * @example * let grp = df.groupby(['A'])

src/danfojs-base/aggregators/groupby.ts:553

↓ 3 callersMethodarithemetic

* Perform all groupby arithmetic operations * In the previous implementation all groups data are * stord as DataFrame, which involve lot of mem

src/danfojs-base/aggregators/groupby.ts:231

↓ 3 callersMethodconvert2DArrayToSeriesArray

* Converts a 2D array of array to 1D array for Series Class * @param arr The array to convert.

src/danfojs-base/shared/utils.ts:199

↓ 3 callersMethodget

()

src/danfojs-base/core/frame.ts:65

↓ 3 callersMethodgroupMathLog

* Peform all arithmetic logic * @param colVal * @param ops

src/danfojs-base/aggregators/groupby.ts:296

↓ 3 callersMethodisNumber

* Checks if value is a number. * @param value The value to check. * @returns

src/danfojs-base/shared/utils.ts:57

↓ 3 callersMethodisString

* Check if value is a string. * @param value The value to check. * @returns

src/danfojs-base/shared/utils.ts:48

↓ 3 callersMethodoffsetCount

(dArray: number[], offset: number)

src/danfojs-base/core/daterange.ts:165

↓ 3 callersMethodremoveMissingValuesFromArray

* Remove NaN values from 1D array * @param arr

src/danfojs-base/shared/utils.ts:682

↓ 3 callersMethodsetDateProps

(date: Date, ftype: string, val: number[] | number)

src/danfojs-base/core/daterange.ts:173

↓ 3 callersMethodsort

* Sorts an array in specified order * @param arr * @param ascending * @returns

src/danfojs-base/shared/utils.ts:639

↓ 3 callersMethodtoCSV

(options?: any)

src/danfojs-base/core/generic.ts:449

↓ 3 callersMethodtoLocalString

(dArray: Date[])

src/danfojs-base/core/daterange.ts:205

↓ 3 callersMethodzeros

* Generates an array of dim (row x column) with inner values set to zero * @param row * @param column

src/danfojs-base/shared/utils.ts:601

↓ 2 callersFunction$downloadFileInBrowser

(content: any, fileName: string)

src/danfojs-base/io/browser/io.csv.ts:208

↓ 2 callersMethod$getData

(data: Array<string | number> | typeof tensorflow.Tensor | Series)

src/danfojs-base/transformers/encoders/one.hot.encoder.ts:38

↓ 2 callersMethod$getDataArraysByAxis

* Return data aligned to the specified axis. Transposes the array if needed. * @param axis 0 or 1. If 0, column-wise, if 1, row-wise

src/danfojs-base/core/frame.ts:206

↓ 2 callersMethod$typeChecker

* Private type checker used by inferDtype function * @param arr The array

src/danfojs-base/shared/utils.ts:277

↓ 2 callersMethodagg

* Perform aggregation on all groups * @param ops * @returns DataFrame

src/danfojs-base/aggregators/groupby.ts:536

↓ 2 callersMethodcolKeyDict

(colDict: { [key: string ]: {} })

src/danfojs-base/aggregators/groupby.ts:642

↓ 2 callersFunctionconvertFunctionTotransformer

(func: (df: DataFrame) => DataFrame)

src/danfojs-node/src/streams/csv.stream.transformer.ts:36

↓ 2 callersMethoddayOfWeek

()

src/danfojs-base/shared/types.ts:336

↓ 2 callersFunctiondummyEncode

* Generate one-hot encoding for categorical columns in an Array, Series or Dataframe. * @param data Series or Dataframe * @param columns Columns to

src/danfojs-base/transformers/encoders/dummy.encoder.ts:35

↓ 2 callersMethodfirst

* Obtain the first row of each group * @returns DataFrame

src/danfojs-base/aggregators/groupby.ts:616

↓ 2 callersMethodgenerateKeyCombination

* Generate key combination base on the columns we want to merge on * e.g df = { * key1: ["KO", "K0", "K3", "K4"], * Key2: ["K1", "K1", "K3

src/danfojs-base/transformers/merge.ts:93

↓ 2 callersMethodgetDuplicate

* Get duplicate values in a array * @param arr

src/danfojs-base/shared/utils.ts:709

↓ 2 callersMethodisBrowserEnv

* Checks if current environment is Browser

src/danfojs-base/shared/utils.ts:661

↓ 2 callersMethodisFunction

* Checks if a func is a function * @param func

src/danfojs-base/shared/utils.ts:498

↓ 2 callersMethodisUndefined

* Checks if a value is undefined * @param value The value to check. * @returns

src/danfojs-base/shared/utils.ts:84

↓ 2 callersMethodlast

* Obtain the last row of each group * @returns DataFrame

src/danfojs-base/aggregators/groupby.ts:626

↓ 2 callersMethodlastIndexOf

(str = "", options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:397

↓ 2 callersMethodlen

(options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:746

↓ 2 callersMethodloadObjectIntoNdframe

* Internal function to format and load a Javascript object or object of arrays into NDFrame. * @param data Object or object of arrays. * @pa

src/danfojs-base/core/generic.ts:134

↓ 2 callersMethodmonthEnd

(startDate: Date, endDate: Date)

src/danfojs-base/core/daterange.ts:212

↓ 2 callersMethodprocessData

* Processed the data values into internal structure for easy access * @param dateArray An array of date strings

src/danfojs-base/core/datetime.ts:40

↓ 2 callersMethodrange

* Generates an array of integers between specified range * @param start The starting number. * @param end The ending number.

src/danfojs-base/shared/utils.ts:124

↓ 2 callersMethodremoveElementFromArray

* Removes an element from a 1D array * * ```js * * ``` * @param arr The array to filter. * @param index The index to f

src/danfojs-base/shared/utils.ts:38

↓ 2 callersMethodrepeat

(num = 1, options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:469

↓ 2 callersMethodsearch

(str = "", options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:504

↓ 2 callersMethodshuffle

* Shuffles and returns a random slice of an array * @param num * @param array

src/danfojs-base/shared/utils.ts:618

↓ 2 callersMethodsize

()

src/danfojs-base/shared/types.ts:102

↓ 2 callersMethodsortObj

* Custom sort for an array of index and values * @param arr The array of objects to sort * @param ascending Whether to sort in ascending order

src/danfojs-base/shared/utils.ts:810

↓ 2 callersMethodsubstr

(startIndex = 0, num = 1, options?: { inplace?: boolean })

src/danfojs-base/core/strings.ts:608

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