Struct rv::data::Partition [−][src]
pub struct Partition { /* fields omitted */ }
Implementations
impl Partition
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impl Partition
[src]pub fn new() -> Partition
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Empty partition
pub fn new_unchecked(z: Vec<usize>, counts: Vec<usize>) -> Self
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pub fn z(&self) -> &Vec<usize>
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pub fn z_mut(&mut self) -> &mut Vec<usize>
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pub fn counts(&self) -> &Vec<usize>
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pub fn counts_mut(&mut self) -> &mut Vec<usize>
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pub fn from_z(z: Vec<usize>) -> Result<Self, PartitionError>
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Create a Partition
with a given assignment, z
Examples
let z1 = vec![0, 1, 2, 3, 1, 2]; let part = Partition::from_z(z1).unwrap(); assert_eq!(*part.z(), vec![0, 1, 2, 3, 1, 2]); assert_eq!(*part.counts(), vec![1, 2, 2, 1]); // Invalid z because k=4 is empty. All partitions must be occupied. let z2 = vec![0, 1, 2, 3, 1, 5]; assert!(Partition::from_z(z2).is_err());
pub fn remove(&mut self, ix: usize) -> Result<(), PartitionError>
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Remove the item at index ix
Example
let mut part = Partition::from_z(vec![0, 1, 0, 2]).unwrap(); part.remove(1).expect("Could not remove"); assert_eq!(*part.z(), vec![0, 0, 1]); assert_eq!(*part.counts(), vec![2, 1]);
pub fn append(&mut self, zi: usize) -> Result<(), PartitionError>
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Append a new item assigned to partition zi
Example
let mut part = Partition::from_z(vec![0, 1, 0, 2]).unwrap(); part.append(3).expect("Could not append"); assert_eq!(*part.z(), vec![0, 1, 0, 2, 3]); assert_eq!(*part.counts(), vec![2, 1, 1, 1]);
pub fn k(&self) -> usize
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Returns the number of partitions, k.
Example
let part = Partition::from_z(vec![0, 1, 0, 2]).unwrap(); assert_eq!(part.k(), 3); assert_eq!(*part.counts(), vec![2, 1, 1]);
pub fn len(&self) -> usize
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Returns the number items
pub fn is_empty(&self) -> bool
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pub fn weights(&self) -> Vec<f64>
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Return the partition weights (normalized counts)
Example
let part = Partition::from_z(vec![0, 1, 0, 2]).unwrap(); let weights = part.weights(); assert_eq!(weights, vec![0.5, 0.25, 0.25]);
Trait Implementations
impl StructuralEq for Partition
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impl StructuralEq for Partition
[src]impl StructuralPartialEq for Partition
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impl StructuralPartialEq for Partition
[src]Auto Trait Implementations
impl RefUnwindSafe for Partition
impl RefUnwindSafe for Partition
impl UnwindSafe for Partition
impl UnwindSafe for Partition
Blanket Implementations
impl<T> Same<T> for T
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<SS, SP> SupersetOf<SS> for SP where
SS: SubsetOf<SP>,
impl<SS, SP> SupersetOf<SS> for SP where
SS: SubsetOf<SP>,
pub fn to_subset(&self) -> Option<SS>
pub fn is_in_subset(&self) -> bool
pub fn to_subset_unchecked(&self) -> SS
pub fn from_subset(element: &SS) -> SP
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,