DataFrame.LoadCsvFromString Method
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| LoadCsvFromString(String, Char, Boolean, String[], Type[], Int64, Int32, Boolean) | |
| LoadCsvFromString(String, Char, Boolean, String[], Type[], Int64, Int32, Boolean, Boolean, CultureInfo, Func<IEnumerable<String>,Type>) |
Reads CSV data passed in as a string into a DataFrame. |
C#
public static Microsoft.Data.Analysis.DataFrame LoadCsvFromString(string csvString, char separator = ',', bool header = true, string[] columnNames = default, Type[] dataTypes = default, long numberOfRowsToRead = -1, int guessRows = 10, bool addIndexColumn = false);static member LoadCsvFromString : string * char * bool * string[] * Type[] * int64 * int * bool -> Microsoft.Data.Analysis.DataFramePublic Shared Function LoadCsvFromString (csvString As String, Optional separator As Char = ',', Optional header As Boolean = true, Optional columnNames As String() = Nothing, Optional dataTypes As Type() = Nothing, Optional numberOfRowsToRead As Long = -1, Optional guessRows As Integer = 10, Optional addIndexColumn As Boolean = false) As DataFrameParameters
- csvString
- String
- separator
- Char
- header
- Boolean
- columnNames
- String[]
- dataTypes
- Type[]
- numberOfRowsToRead
- Int64
- guessRows
- Int32
- addIndexColumn
- Boolean
Returns
Applies to
ML.NET 2.0.0
| Ürün | Sürümler |
|---|---|
| ML.NET | 2.0.0 |
LoadCsvFromString(String, Char, Boolean, String[], Type[], Int64, Int32, Boolean, Boolean, CultureInfo, Func<IEnumerable<String>,Type>)
- Source:
- DataFrame.IO.cs
- Source:
- DataFrame.IO.cs
- Source:
- DataFrame.IO.cs
Reads CSV data passed in as a string into a DataFrame.
C#
public static Microsoft.Data.Analysis.DataFrame LoadCsvFromString(string csvString, char separator = ',', bool header = true, string[] columnNames = default, Type[] dataTypes = default, long numberOfRowsToRead = -1, int guessRows = 10, bool addIndexColumn = false, bool renameDuplicatedColumns = false, System.Globalization.CultureInfo cultureInfo = default, Func<System.Collections.Generic.IEnumerable<string>,Type> guessTypeFunction = default);static member LoadCsvFromString : string * char * bool * string[] * Type[] * int64 * int * bool * bool * System.Globalization.CultureInfo * Func<seq<string>, Type> -> Microsoft.Data.Analysis.DataFramePublic Shared Function LoadCsvFromString (csvString As String, Optional separator As Char = ',', Optional header As Boolean = true, Optional columnNames As String() = Nothing, Optional dataTypes As Type() = Nothing, Optional numberOfRowsToRead As Long = -1, Optional guessRows As Integer = 10, Optional addIndexColumn As Boolean = false, Optional renameDuplicatedColumns As Boolean = false, Optional cultureInfo As CultureInfo = Nothing, Optional guessTypeFunction As Func(Of IEnumerable(Of String), Type) = Nothing) As DataFrameParameters
- csvString
- String
csv data passed in as a string
- separator
- Char
column separator
- header
- Boolean
has a header or not
- columnNames
- String[]
column names (can be empty)
- dataTypes
- Type[]
column types (can be empty)
- numberOfRowsToRead
- Int64
number of rows to read not including the header(if present)
- guessRows
- Int32
number of rows used to guess types
- addIndexColumn
- Boolean
add one column with the row index
- renameDuplicatedColumns
- Boolean
If set to true, columns with repeated names are auto-renamed.
- cultureInfo
- CultureInfo
culture info for formatting values
- guessTypeFunction
- Func<IEnumerable<String>,Type>
function used to guess the type of a column based on its values
Returns
Applies to
ML.NET Preview ve diğer sürümler
| Ürün | Sürümler |
|---|---|
| ML.NET | 3.0.0, 4.0.0, Preview |