Remove deprecated and unused access api examples from ApiLevels.kt and Analyze.kt

Author: koperagen

core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/samples/api/Analyze.kt

@@ -8,8 +8,6 @@ import org.jetbrains.kotlinx.dataframe.api.asGroupBy
 import org.jetbrains.kotlinx.dataframe.api.asNumbers
 import org.jetbrains.kotlinx.dataframe.api.cast
 import org.jetbrains.kotlinx.dataframe.api.colsOf
-import org.jetbrains.kotlinx.dataframe.api.column
-import org.jetbrains.kotlinx.dataframe.api.columnGroup
 import org.jetbrains.kotlinx.dataframe.api.columnOf
 import org.jetbrains.kotlinx.dataframe.api.concat
 import org.jetbrains.kotlinx.dataframe.api.count
@@ -445,31 +443,6 @@ class Analyze : TestBase() {
         // SampleEnd
     }
 
-    @Test
-    @TransformDataFrameExpressions
-    fun columnsFor_accessors() {
-        // SampleStart
-        val name by columnGroup()
-        val firstName by name.column<String>()
-        val lastName by name.column<String>()
-        val age by column<Int>()
-        val weight by column<Int?>()
-
-        df.minFor { colsOf<Int>() }
-
-        df.maxFor { firstName and age }
-        // or
-        df.maxFor(firstName, lastName)
-
-        df.sumFor { age and weight }
-        // or
-        df.sum(age, weight)
-
-        df.mean { cols(1, 3).asNumbers() }
-        df.median<_, String> { name.allCols().cast() }
-        // SampleEnd
-    }
-
     @Test
     @TransformDataFrameExpressions
     fun columnsFor_strings() {

core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/samples/api/ApiLevels.kt

@@ -3,14 +3,11 @@
 package org.jetbrains.kotlinx.dataframe.samples.api
 
 import org.jetbrains.kotlinx.dataframe.DataFrame
-import org.jetbrains.kotlinx.dataframe.annotations.ColumnName
 import org.jetbrains.kotlinx.dataframe.annotations.DataSchema
 import org.jetbrains.kotlinx.dataframe.api.add
 import org.jetbrains.kotlinx.dataframe.api.cast
-import org.jetbrains.kotlinx.dataframe.api.column
 import org.jetbrains.kotlinx.dataframe.api.dropNulls
 import org.jetbrains.kotlinx.dataframe.api.filter
-import org.jetbrains.kotlinx.dataframe.api.toListOf
 import org.jetbrains.kotlinx.dataframe.explainer.TransformDataFrameExpressions
 import org.jetbrains.kotlinx.dataframe.io.read
 import org.junit.Ignore
@@ -34,91 +31,6 @@ class ApiLevels {
         // SampleEnd
     }
 
-    @Test
-    @TransformDataFrameExpressions
-    fun accessors1() {
-        // SampleStart
-        val survived by column<Boolean>() // accessor for Boolean column with name 'survived'
-        val home by column<String>()
-        val age by column<Int?>()
-        val name by column<String>()
-        val lastName by column<String>()
-        // SampleEnd
-    }
-
-    @Test
-    @TransformDataFrameExpressions
-    fun accessors2() {
-        val survived by column<Boolean>()
-        val home by column<String>()
-        val age by column<Int?>()
-        val name by column<String>()
-        val lastName by column<String>()
-        // SampleStart
-
-        DataFrame.read("titanic.csv")
-            .add(lastName) { name().split(",").last() }
-            .dropNulls { age }
-            .filter { survived() && home().endsWith("NY") && age()!! in 10..20 }
-        // SampleEnd
-    }
-
-    @Test
-    @TransformDataFrameExpressions
-    fun accessors3() {
-        // SampleStart
-        val survived by column<Boolean>()
-        val home by column<String>()
-        val age by column<Int?>()
-        val name by column<String>()
-        val lastName by column<String>()
-
-        DataFrame.read("titanic.csv")
-            .add(lastName) { name().split(",").last() }
-            .dropNulls { age }
-            .filter { survived() && home().endsWith("NY") && age()!! in 10..20 }
-        // SampleEnd
-    }
-
-    @Test
-    @TransformDataFrameExpressions
-    fun kproperties1() {
-        // SampleStart
-        data class Passenger(
-            val survived: Boolean,
-            val home: String,
-            val age: Int,
-            val lastName: String
-        )
-
-        val passengers = DataFrame.read("titanic.csv")
-            .add(Passenger::lastName) { "name"<String>().split(",").last() }
-            .dropNulls(Passenger::age)
-            .filter {
-                it[Passenger::survived] &&
-                    it[Passenger::home].endsWith("NY") &&
-                    it[Passenger::age] in 10..20
-            }
-            .toListOf<Passenger>()
-        // SampleEnd
-    }
-
-    @Test
-    @TransformDataFrameExpressions
-    fun kproperties2() {
-        // SampleStart
-        data class Passenger(
-            @ColumnName("survived") val isAlive: Boolean,
-            @ColumnName("home") val city: String,
-            val name: String
-        )
-
-        val passengers = DataFrame.read("titanic.csv")
-            .filter { it[Passenger::city].endsWith("NY") }
-            .toListOf<Passenger>()
-        // SampleEnd
-    }
-
     @DataSchema
     interface TitanicPassenger {
         val survived: Boolean