Function qrCoef

qrCoef(q: QR, y: readonly number[] | Float64Array<ArrayBufferLike>): number[]
Least-squares coefficients for a vector response. Equivalent to R's qr.coef().

Coefficients are returned in the original column order. Coefficients of columns that were not used (those after position rank in pivot) are NaN (R's NA). For a decomposition computed with lapack: true, the first min(nrow, ncol) pivoted columns are used.
Parameters
- q: QR
  A QR decomposition from qr.
- y: readonly number[] | Float64Array<ArrayBufferLike>
  The response vector, with as many elements as the decomposed matrix has rows.
Returns number[]
The coefficient vector (one element per column of the decomposed matrix).
Example
```
const q = qr([[1, 1], [1, 2], [1, 3], [1, 4]]);
qrCoef(q, [2.1, 3.9, 6.2, 7.8]); // [0.15, 1.94] (up to rounding)
```
- Defined in linalg/qr.ts:510
qrCoef(q: QR, y: MatrixInput): number[][]
Least-squares coefficients for each column of a matrix response.
Parameters
- q: QR
  A QR decomposition from qr.
- y: MatrixInput
  The response matrix (array of rows), with as many rows as the decomposed matrix.
Returns number[][]
The coefficients as an array of rows (one row per column of the decomposed matrix, one column per column of y).
- Defined in linalg/qr.ts:518
qrCoef(q: QR, y: VectorOrMatrix): number[] | number[][]
Least-squares coefficients.
Parameters
- q: QR
  A QR decomposition from qr.
- y: VectorOrMatrix
  The response, a vector or a matrix.
Returns number[] | number[][]
A vector if y is a vector, otherwise an array of rows.
- Defined in linalg/qr.ts:526

Function qrCoef

Parameters

Returns number[]

Example

Parameters

Returns number[][]

Parameters

Returns number[] | number[][]

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