init research

2026-02-08 11:20:43 -10:00
commit bdf064f54d
3041 changed files with 1592200 additions and 0 deletions
@@ -0,0 +1,25 @@
+import org.jetbrains.kotlinx.dataframe.*
+import org.jetbrains.kotlinx.dataframe.annotations.*
+import org.jetbrains.kotlinx.dataframe.api.*
+import org.jetbrains.kotlinx.dataframe.io.*
+
+@DataSchema
+interface Person {
+    val age: Int
+}
+
+val df = dataFrameOf("age")(1).cast<Person>()
+
+fun insert_properties() {
+    val df1 = df.insert("year of birth") { 2021 - age }.under("test")
+    df1.age
+    df1.test.`year of birth`
+
+    val df2 = dataFrameOf("a")(11)
+        .group { a }.into("group")
+        .insert("b") { group.a * 111 }.under { group }
+    df2.group.a
+    df2.group.b
+}
+
+fun box() = "OK"