26 lines
597 B
Kotlin
Vendored
26 lines
597 B
Kotlin
Vendored
import org.jetbrains.kotlinx.dataframe.*
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import org.jetbrains.kotlinx.dataframe.annotations.*
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import org.jetbrains.kotlinx.dataframe.api.*
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import org.jetbrains.kotlinx.dataframe.io.*
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@DataSchema
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interface Person {
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val age: Int
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}
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val df = dataFrameOf("age")(1).cast<Person>()
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fun insert_properties() {
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val df1 = df.insert("year of birth") { 2021 - age }.under("test")
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df1.age
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df1.test.`year of birth`
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val df2 = dataFrameOf("a")(11)
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.group { a }.into("group")
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.insert("b") { group.a * 111 }.under { group }
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df2.group.a
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df2.group.b
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}
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fun box() = "OK"
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