Package pygeodesy :: Module fstats :: Class Flinear

Class Flinear

  object --+        
           |        
named._Named --+    
               |    
    _FstatsNamed --+
                   |
                  Flinear

Cook's RunningRegression computing the running slope, intercept and correlation of a linear regression.

Instance Methods

__init__(self, xs=None, ys=None, Fstats=<class 'pygeodesy.fstats.Fwelford'>, name='')
New Flinear regression accumulator.

__iadd__(self, other)
Add other to this instance.

fadd(self, xs, ys, sample=False)
Accumulate and return the current count.

fadd_(self, *x_ys, **sample)
Accumulate and return the current count.

fcorrelation(self, sample=False)
Return the current, running (sample) correlation (float).

fintercept(self, sample=False)
Return the current, running (sample) intercept (float).

fslope(self, sample=False)
Return the current, running (sample) slope (float).

Inherited from _FstatsNamed: __add__, __float__, __int__, __len__, __neg__, __radd__, __str__, copy, fcopy

Inherited from named._Named: __imatmul__, __matmul__, __repr__, __rmatmul__, attrs, classof, dup, methodname, rename, toRepr, toStr, toStr2

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __sizeof__, __subclasshook__

Properties
	x Get the `x` accumulator (Fcook or Fwelford).
	y Get the `y` accumulator (Fcook or Fwelford).
Inherited from `named._Named`: `classname`, `classnaming`, `iteration`, `name`, `named`, `named2`, `named3`, `named4`, `sizeof` Inherited from `object`: `__class__`

Method Details

init (self, xs=None, ys=None, Fstats=<class 'pygeodesy.fstats.Fwelford'>, name='')
(Constructor)

New Flinear regression accumulator.

Arguments:

xs - Iterable with initial x values (Scalars).
ys - Iterable with initial y values (Scalars).
Fstats - Stats class for x and y values (Fcook or Fwelford).
name - Optional name (str).

Raises:

TypeError - Invalid Fs, not Fcook or Fwelford.

Overrides: object.__init__

See Also: Method Flinear.fadd.

iadd (self, other)

Add other to this instance.

Arguments:

other - An Flinear instance or Scalar pairs, meaning scalar or Fsum instances.

Returns:

This instance, updated (Flinear).

Raises:

TypeError - Invalid other or the other and these x and y accumulators are not compatible.
ValueError - Invalid or odd-length other.

See Also: Method Flinear.fadd_.

fadd (self, xs, ys, sample=False)

Accumulate and return the current count.

Arguments:

xs - Iterable with additional x values (Scalars), meaning scalar or Fsum instances).
ys - Iterable with additional y values (Scalars, meaning scalar or Fsum instances).
sample - Return the sample instead of the entire population count (bool).

Returns:

Current, running (sample) count (int).

Raises:

OverflowError - Partial 2sum overflow.
TypeError - Non-scalar xs or ys value.
ValueError - Invalid or non-finite xs or ys value.

fadd_ (self, *x_ys, **sample)

Accumulate and return the current count.

Arguments:

x_ys - Individual, alternating x, y, x, y, ... positional values (Scalars).

See Also: Method Flinear.fadd.

fcorrelation (self, sample=False)

Return the current, running (sample) correlation (float).

Arguments:

sample - Return the sample instead of the entire population correlation (bool).

fintercept (self, sample=False)

Return the current, running (sample) intercept (float).

Arguments:

sample - Return the sample instead of the entire population intercept (bool).

fslope (self, sample=False)

Return the current, running (sample) slope (float).

Arguments:

sample - Return the sample instead of the entire population slope (bool).

Property Details

x

Get the x accumulator (Fcook or Fwelford).

Get method:: x(self) - Get the x accumulator (Fcook or Fwelford).
Set method:: _fset_error(inst, val) - Throws an AttributeError, always.
Delete Method:: _fdel(inst) - Zap the cached/memoized property value.

y

Get the y accumulator (Fcook or Fwelford).

Get method:: y(self) - Get the y accumulator (Fcook or Fwelford).
Set method:: _fset_error(inst, val) - Throws an AttributeError, always.
Delete Method:: _fdel(inst) - Zap the cached/memoized property value.

Class Flinear

__init__ (self, xs=None, ys=None, Fstats=<class 'pygeodesy.fstats.Fwelford'>, name='') (Constructor)

__iadd__ (self, other)

fadd (self, xs, ys, sample=False)

fadd_ (self, *x_ys, **sample)

fcorrelation (self, sample=False)

fintercept (self, sample=False)

fslope (self, sample=False)

x

y

init (self, xs=None, ys=None, Fstats=<class 'pygeodesy.fstats.Fwelford'>, name='')
(Constructor)

iadd (self, other)