Arithmetic operators for RPolars objects

Description

Arithmetic operators for RPolars objects

Usage

## S3 method for class 'RPolarsExpr'
x + y

# S3 method for class 'RPolarsExpr'
x - y

# S3 method for class 'RPolarsExpr'
x * y

# S3 method for class 'RPolarsExpr'
x / y

# S3 method for class 'RPolarsExpr'
x ^ y

# S3 method for class 'RPolarsExpr'
x %% y

# S3 method for class 'RPolarsExpr'
x %/% y

# S3 method for class 'RPolarsSeries'
x + y

# S3 method for class 'RPolarsSeries'
x - y

# S3 method for class 'RPolarsSeries'
x * y

# S3 method for class 'RPolarsSeries'
x / y

# S3 method for class 'RPolarsSeries'
x ^ y

# S3 method for class 'RPolarsSeries'
x %% y

# S3 method for class 'RPolarsSeries'
x %/% y

Arguments

x, y	numeric type of RPolars objects or objects that can be coerced such. Only + can take strings.

Value

A Polars object the same type as the input.

See Also

• \$add()
• \$sub()
• \$mul()
• \$div()
• \$pow()
• \$mod()
• \$floor_div()
• \$add()
• \$sub()
• \$mul()
• \$div()
• \$pow()
• \$mod()
• \$floor_div()

Examples

library("polars")

pl$lit(5) + 10

#> polars Expr: [(dyn float: 5.0) + (dyn float: 10.0)]

5 + pl$lit(10)

#> polars Expr: [(dyn float: 5.0) + (dyn float: 10.0)]

pl$lit(5) + pl$lit(10)

#> polars Expr: [(dyn float: 5.0) + (dyn float: 10.0)]

+pl$lit(1)

#> polars Expr: dyn float: 1.0

# This will not raise an error as it is not actually evaluated.
expr = pl$lit(5) + "10"
expr

#> polars Expr: [(dyn float: 5.0) + (String(10))]

# Will raise an error as it is evaluated.
tryCatch(
  expr$to_series(),
  error = function(e) e
)

#> <RPolarsErr_error: Execution halted with the following contexts
#>    0: In R: in $select()
#>    0: During function call [.main()]
#>    1: Encountered the following error in Rust-Polars:
#>          arithmetic on string and numeric not allowed, try an explicit cast first
#> 
#>       Resolved plan until failure:
#> 
#>          ---> FAILED HERE RESOLVING 'select' <---
#>        SELECT [[(dyn float: 5.0) + (String(10))]] FROM
#>         DF []; PROJECT */0 COLUMNS; SELECTION: None
#> >

as_polars_series(5) + 10

#> polars Series: shape: (1,)
#> Series: '' [f64]
#> [
#>  15.0
#> ]

+as_polars_series(5)

#> polars Series: shape: (1,)
#> Series: '' [f64]
#> [
#>  5.0
#> ]

-as_polars_series(5)

#> polars Series: shape: (1,)
#> Series: '' [f64]
#> [
#>  -5.0
#> ]