Struct peroxide::structure::dataframe::DataFrame [−][src]
Generic DataFrame
structure
Example
extern crate peroxide; use peroxide::fuga::*; fn main() { // 1. Series to DataFrame // 1-1. Declare Series let a = Series::new(vec![1, 2, 3, 4]); let b = Series::new(vec![true, false, false, true]); let c = Series::new(vec![0.1, 0.2, 0.3, 0.4]); // 1-2. Declare DataFrame (default header: 0, 1, 2) let mut df = DataFrame::new(vec![a, b, c]); df.set_header(vec!["a", "b", "c"]); df.print(); // Pretty print for DataFrame // 2. Empty DataFrame let mut dg = DataFrame::new(vec![]); dg.push("a", Series::new(vec![1,2,3,4])); dg.push("b", Series::new(vec![true, false, false, true])); dg.push("c", Series::new(vec![0.1, 0.2, 0.3, 0.4])); dg.print(); assert_eq!(df, dg); }
Fields
data: Vec<Series>
ics: Vec<String>
Implementations
impl DataFrame
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pub fn new(v: Vec<Series>) -> Self
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Declare new DataFrame with Vec<Series>
pub fn header(&self) -> &Vec<String>
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pub fn header_mut(&mut self) -> &mut Vec<String>
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pub fn set_header(&mut self, new_header: Vec<&str>)
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Change header
pub fn push(&mut self, name: &str, series: Series)
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Push new pair of head, Series to DataFrame
pub fn row(&self, i: usize) -> DataFrame
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Extract specific row as DataFrame
pub fn spread(&self) -> String
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pub fn as_types(&mut self, dtypes: Vec<DType>)
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Type casting for DataFrame
Examples
extern crate peroxide; use peroxide::fuga::*; fn main() { let a = Series::new(vec![1i32, 2, 3, 4]); let b = Series::new(vec![true, false, false, true]); let mut df = DataFrame::new(vec![a, b]); // I32, Bool df.as_types(vec![USIZE, U8]); // USIZE, U8 let c = Series::new(vec![1usize, 2, 3, 4]); let d = Series::new(vec![1u8, 0, 0, 1]); let dg = DataFrame::new(vec![c, d]); assert_eq!(df, dg); }
pub fn drop(&mut self, col_header: &str)
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Drop specific column by header
Examples
extern crate peroxide; use peroxide::fuga::*; fn main() { let a = Series::new(vec![1,2,3,4]); let b = Series::new(vec![5,6,7,8]); let mut df = DataFrame::new(vec![a.clone(), b]); df.set_header(vec!["a", "b"]); let mut dg = DataFrame::new(vec![a]); dg.set_header(vec!["a"]); df.drop("b"); assert_eq!(df, dg); }
Trait Implementations
impl Clone for DataFrame
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impl Debug for DataFrame
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impl Display for DataFrame
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impl Index<&'_ str> for DataFrame
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type Output = Series
The returned type after indexing.
fn index(&self, index: &str) -> &Self::Output
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impl Index<usize> for DataFrame
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type Output = Series
The returned type after indexing.
fn index(&self, index: usize) -> &Self::Output
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impl IndexMut<&'_ str> for DataFrame
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impl IndexMut<usize> for DataFrame
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impl PartialEq<DataFrame> for DataFrame
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impl Printable for DataFrame
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impl StructuralPartialEq for DataFrame
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Auto Trait Implementations
impl RefUnwindSafe for DataFrame
impl Send for DataFrame
impl Sync for DataFrame
impl Unpin for DataFrame
impl UnwindSafe for DataFrame
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,