NumericColumn (tablesaw-core 0.12.0 API)

All Superinterfaces:

Column

All Known Implementing Classes:

DoubleColumn, FloatColumn, IntColumn, LongColumn, ShortColumn
```
public interface NumericColumn
extends Column
```
Functionality common to all numeric column types

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`default NumericColumn`	`add(Number value)`
`default NumericColumn`	`add(NumericColumn column2)`
`static NumericColumn`	`addColumns(NumericColumn column1, NumericColumn column2)`
`double[]`	`asDoubleArray()`
`default NumericColumn`	`divide(Number value)`
`default NumericColumn`	`divide(NumericColumn column2)`
`static NumericColumn`	`divideColumns(NumericColumn column1, NumericColumn column2)`
`double`	`geometricMean()`
`default double`	`getDouble(int index)` Returns double value at `index` position in the column.
`default float`	`getFloat(int index)` Returns float value at `index` position in the column.
`default int`	`getInt(int index)` Returns int value at `index` position in the column.
`default long`	`getLong(int index)` Returns long value at `index` position in the column.
`double`	`kurtosis()`
`double`	`max()`
`double`	`mean()`
`double`	`median()`
`double`	`min()`
`default NumericColumn`	`multiply(Number value)`
`default NumericColumn`	`multiply(NumericColumn column2)`
`static NumericColumn`	`multiplyColumns(NumericColumn column1, NumericColumn column2)`
`double`	`percentile(double percentile)`
`double`	`populationVariance()`
`double`	`product()`
`double`	`quadraticMean()` Returns the quadraticMean, aka the root-mean-square, for all values in this column
`double`	`quartile1()`
`double`	`quartile3()`
`double`	`range()`
`double`	`skewness()`
`double`	`standardDeviation()`
`default NumericColumn`	`subtract(Number value)`
`default NumericColumn`	`subtract(NumericColumn column2)`
`static NumericColumn`	`subtractColumns(NumericColumn column1, NumericColumn column2)`
`double`	`sumOfLogs()`
`double`	`sumOfSquares()`
`double`	`variance()`

Methods inherited from interface tech.tablesaw.columns.Column
append, appendCell, asBytes, byteSize, clear, columnMetadata, columnWidth, comment, copy, countMissing, countUnique, difference, emptyCopy, emptyCopy, first, first, getString, id, isEmpty, isMissing, isNotMissing, last, last, metadata, name, print, rolling, rowComparator, setComment, setName, size, sortAscending, sortDescending, subset, summary, title, type, unique

Method Detail

subtractColumns

static NumericColumn subtractColumns(NumericColumn column1,
                                     NumericColumn column2)

addColumns

static NumericColumn addColumns(NumericColumn column1,
                                NumericColumn column2)

multiplyColumns

static NumericColumn multiplyColumns(NumericColumn column1,
                                     NumericColumn column2)

divideColumns

static NumericColumn divideColumns(NumericColumn column1,
                                   NumericColumn column2)

subtract

default NumericColumn subtract(NumericColumn column2)

add

default NumericColumn add(NumericColumn column2)

multiply

default NumericColumn multiply(NumericColumn column2)

divide

default NumericColumn divide(NumericColumn column2)

add

default NumericColumn add(Number value)

subtract

default NumericColumn subtract(Number value)

divide

default NumericColumn divide(Number value)

multiply

default NumericColumn multiply(Number value)

asDoubleArray
```
double[] asDoubleArray()
```
Specified by:

asDoubleArray in interface Column

getInt
```
default int getInt(int index)
```
Returns int value at index position in the column. A conversion, if needed, could result in data or accuracy loss.

Parameters:

index - position in column

Returns:

int value at position

getLong
```
default long getLong(int index)
```
Returns long value at index position in the column. A conversion, if needed, could result in data or accuracy loss.

Parameters:

index - position in column

Returns:

long value at position

getFloat
```
default float getFloat(int index)
```
Returns float value at index position in the column. A conversion, if needed, could result in data or accuracy loss.

Parameters:

index - position in column

Returns:

float value at position

getDouble
```
default double getDouble(int index)
```
Returns double value at index position in the column. A conversion, if needed, could result in data or accuracy loss.

Parameters:

index - position in column

Returns:

double value at position

max
```
double max()
```

min
```
double min()
```

product
```
double product()
```

mean
```
double mean()
```

median
```
double median()
```

quartile1
```
double quartile1()
```

quartile3
```
double quartile3()
```

percentile
```
double percentile(double percentile)
```

range
```
double range()
```

variance
```
double variance()
```

populationVariance
```
double populationVariance()
```

standardDeviation
```
double standardDeviation()
```

sumOfLogs
```
double sumOfLogs()
```

sumOfSquares
```
double sumOfSquares()
```

geometricMean
```
double geometricMean()
```

quadraticMean
```
double quadraticMean()
```
Returns the quadraticMean, aka the root-mean-square, for all values in this column

kurtosis
```
double kurtosis()
```

skewness
```
double skewness()
```

Interface NumericColumn

Method Summary

Methods inherited from interface tech.tablesaw.columns.Column

Method Detail

subtractColumns

addColumns

multiplyColumns

divideColumns

subtract

add

multiply

divide

add

subtract

divide

multiply

asDoubleArray

getInt

getLong

getFloat

getDouble

max

min

product

mean

median

quartile1

quartile3

percentile

range

variance

populationVariance

standardDeviation

sumOfLogs

sumOfSquares

geometricMean

quadraticMean

kurtosis

skewness