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Java Table.column方法代码示例

本文整理汇总了Java中tech.tablesaw.api.Table.column方法的典型用法代码示例。如果您正苦于以下问题：Java Table.column方法的具体用法？Java Table.column怎么用？Java Table.column使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tech.tablesaw.api.Table的用法示例。


在下文中一共展示了Table.column方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {

    String name = columnReference().getColumnName();
    Column column = relation.column(name);
    ColumnType type = column.type();
    switch (type) {
        case LOCAL_TIME:
            TimeColumn timeColumn = relation.timeColumn(name);
            return timeColumn.isBeforeNoon();
        case LOCAL_DATE_TIME:
            DateTimeColumn dateTimeColumn = relation.dateTimeColumn(name);
            return dateTimeColumn.isBeforeNoon();
        default:
            throw new UnsupportedOperationException("Columns of type " + type.name() + " do not support the operation "
                    + "isBeforeNoon() ");
    }
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:19，代码来源:IsBeforeNoon.java

示例2: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {
    String name = columnReference().getColumnName();
    Column column = relation.column(name);
    ColumnType type = column.type();
    switch (type) {
        case LOCAL_DATE:
            DateColumn dateColumn = relation.dateColumn(name);
            return dateColumn.isTuesday();
        case LOCAL_DATE_TIME:
            DateTimeColumn dateTimeColumn = relation.dateTimeColumn(name);
            return dateTimeColumn.isTuesday();
        default:
            throw new UnsupportedOperationException("Columns of type " + type.name() + " do not support the operation "
                    + "isTuesday() ");
    }
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:18，代码来源:IsTuesday.java

示例3: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {
    String name = columnReference().getColumnName();
    Column column = relation.column(name);
    ColumnType type = column.type();
    switch (type) {
        case LOCAL_DATE:
            DateColumn dateColumn = relation.dateColumn(name);
            return dateColumn.isInDecember();
        case LOCAL_DATE_TIME:
            DateTimeColumn dateTimeColumn = relation.dateTimeColumn(name);
            return dateTimeColumn.isInDecember();
        default:
            throw new UnsupportedOperationException("Columns of type " + type.name() + " do not support the operation "
                    + "isInDecember() ");
    }
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:18，代码来源:IsInDecember.java

示例4: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {
    String name = columnReference().getColumnName();
    Column column = relation.column(name);
    ColumnType type = column.type();
    switch (type) {
        case LOCAL_DATE:
            DateColumn dateColumn = relation.dateColumn(name);
            return dateColumn.isInQ3();
        case LOCAL_DATE_TIME:
            DateTimeColumn dateTimeColumn = relation.dateTimeColumn(name);
            return dateTimeColumn.isInQ3();
        default:
            throw new UnsupportedOperationException("Columns of type " + type.name() + " do not support the operation "
                    + "isInQ3() ");
    }
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:18，代码来源:IsInQ3.java

示例5: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {
    String name = columnReference().getColumnName();
    Column column = relation.column(name);
    ColumnType type = column.type();
    switch (type) {
        case LOCAL_DATE:
            DateColumn dateColumn = relation.dateColumn(name);
            return dateColumn.isInNovember();
        case LOCAL_DATE_TIME:
            DateTimeColumn dateTimeColumn = relation.dateTimeColumn(name);
            return dateTimeColumn.isInNovember();
        default:
            throw new UnsupportedOperationException("Columns of type " + type.name() + " do not support the operation "
                    + "isInNovember() ");
    }
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:18，代码来源:IsInNovember.java

示例6: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {
    String name = columnReference().getColumnName();
    Column column = relation.column(name);
    ColumnType type = column.type();
    switch (type) {
        case LOCAL_DATE:
            DateColumn dateColumn = relation.dateColumn(name);
            return dateColumn.isInApril();
        case LOCAL_DATE_TIME:
            DateTimeColumn dateTimeColumn = relation.dateTimeColumn(name);
            return dateTimeColumn.isInApril();
        default:
            throw new UnsupportedOperationException("Columns of type " + type.name() + " do not support the operation "
                    + "isInApril() ");
    }
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:18，代码来源:IsInApril.java

示例7: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {
    String name = columnReference().getColumnName();
    Column column = relation.column(name);
    ColumnType type = column.type();
    switch (type) {
        case LOCAL_DATE:
            DateColumn dateColumn = relation.dateColumn(name);
            return dateColumn.isInSeptember();
        case LOCAL_DATE_TIME:
            DateTimeColumn dateTimeColumn = relation.dateTimeColumn(name);
            return dateTimeColumn.isInSeptember();
        default:
            throw new UnsupportedOperationException("Columns of type " + type.name() + " do not support the operation "
                    + "isInSeptember() ");
    }
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:18，代码来源:IsInSeptember.java

示例8: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
public Selection apply(Table relation) {
    Column column = relation.column(columnReference.getColumnName());
    ColumnType type = column.type();
    switch (type) {
        case CATEGORY: {
            CategoryColumn categoryColumn = (CategoryColumn) relation.column(columnReference.getColumnName());
            return categoryColumn.isNotEqualTo(value);
        }
        default:
            throw new UnsupportedOperationException(
                    String.format("ColumnType %s does not support equalTo on a String value", type));
    }
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:14，代码来源:StringNotEqualTo.java

示例9: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {

    Column column = relation.column(columnReference().getColumnName());
    CategoryColumn textColumn = (CategoryColumn) column;
    return textColumn.matchesRegex(string);
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:8，代码来源:TextMatchesRegex.java

示例10: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {
    Column column = relation.column(columnReference().getColumnName());
    CategoryColumn textColumn = (CategoryColumn) column;
    return textColumn.isUpperCase();

}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:8，代码来源:TextIsUpperCase.java

示例11: main

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {

        // Get the data
        Table baseball = Table.read().csv("../data/baseball.csv");
        out(baseball.structure());

        // filter to the data available in the 2002 season
        Table moneyball = baseball.selectWhere(column("year").isLessThan(2002));

        // plot regular season wins against year, segregating on whether the team made the plays
        NumericColumn wins = moneyball.numericColumn("W");
        NumericColumn year = moneyball.numericColumn("Year");
        Column playoffs = moneyball.column("Playoffs");
        Scatter.show("Regular season wins by year", wins, year, moneyball.splitOn(playoffs));

        // Calculate the run difference for use in the regression model
        IntColumn runDifference = moneyball.shortColumn("RS").subtract(moneyball.shortColumn("RA"));
        moneyball.addColumn(runDifference);
        runDifference.setName("RD");

        // Plot RD vs Wins to see if the relationship looks linear
        Scatter.show("RD x Wins", moneyball.numericColumn("RD"), moneyball.numericColumn("W"));

        // Create the regression model
        //ShortColumn wins = moneyball.shortColumn("W");
        LeastSquares winsModel = LeastSquares.train(wins, runDifference);
        out(winsModel);

        // Make a prediction of how many games we win if we score 135 more runs than our opponents
        double[] testValue = new double[1];
        testValue[0] = 135;
        double prediction = winsModel.predict(testValue);
        out("Predicted wins with RD = 135: " + prediction);

        // Predict runsScored based on On-base percentage, batting average and slugging percentage

        LeastSquares runsScored = LeastSquares.train(moneyball.nCol("RS"),
                moneyball.nCol("OBP"), moneyball.nCol("BA"), moneyball.nCol("SLG"));
        out(runsScored);

        LeastSquares runsScored2 = LeastSquares.train(moneyball.nCol("RS"),
                moneyball.nCol("OBP"), moneyball.nCol("SLG"));
        out(runsScored2);

        Histogram.show(runsScored2.residuals());

        Scatter.fittedVsResidual(runsScored2);
        Scatter.actualVsFitted(runsScored2);

        // We use opponent OBP and opponent SLG to model the efficacy of our pitching and defence

        Table moneyball2 = moneyball.selectWhere(column("year").isGreaterThan(1998));
        LeastSquares runsAllowed = LeastSquares.train(moneyball2.nCol("RA"),
                moneyball2.nCol("OOBP"), moneyball2.nCol("OSLG"));
        out(runsAllowed);

    }
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:58，代码来源:MoneyballExample.java

示例12: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {
    Column column = relation.column(columnReference().getColumnName());
    CategoryColumn textColumn = (CategoryColumn) column;
    return textColumn.isShorterThan(length);
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:7，代码来源:TextIsShorterThan.java

示例13: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
public Selection apply(Table relation) {

        Column column = relation.column(columnReference().getColumnName());
        Column other = relation.column(otherColumn.getColumnName());

        Preconditions.checkArgument(column.type() == other.type());

        if (column.type() == ColumnType.INTEGER)
            return apply((IntColumn) column, (IntColumn) other);

        if (column.type() == ColumnType.LONG_INT)
            return apply((LongColumn) column, (LongColumn) other);

        if (column.type() == ColumnType.SHORT_INT)
            return apply((ShortColumn) column, (ShortColumn) other);

        if (column.type() == ColumnType.FLOAT)
            return apply((FloatColumn) column, (FloatColumn) other);

        if (column.type() == ColumnType.DOUBLE)
            return apply((DoubleColumn) column, (DoubleColumn) other);

        throw new UnsupportedOperationException("Not supported (currently) for this column type");
    }
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:25，代码来源:ColumnLessThan.java

示例14: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
@Override
public Selection apply(Table relation) {

    DateTimeColumn dateColumn = (DateTimeColumn) relation.column(columnReference().getColumnName());
    return dateColumn.isOnOrAfter(value);
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:7，代码来源:DateIsOnOrAfter.java

示例15: apply

import tech.tablesaw.api.Table; //导入方法依赖的package包/类
public Selection apply(Table relation) {
    BooleanColumn booleanColumn = (BooleanColumn) relation.column(columnReference.getColumnName());
    return booleanColumn.isFalse();
}
开发者ID:jtablesaw，项目名称:tablesaw，代码行数:5，代码来源:BooleanIsFalse.java


注：本文中的tech.tablesaw.api.Table.column方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。