NumericColumn (tablesaw-core 0.11.1 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 Instance Methods Abstract Methods
Modifier and Type	Method and Description
`double`	`geometricMean()`
`float`	`getFloat(int index)`
`double`	`kurtosis()`
`double`	`max()`
`double`	`mean()`
`double`	`median()`
`double`	`min()`
`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()`
`double`	`sumOfLogs()`
`double`	`sumOfSquares()`
`double[]`	`toDoubleArray()`
`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

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

toDoubleArray in interface Column

getFloat
```
float getFloat(int index)
```

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

toDoubleArray

getFloat

max

min

product

mean

median

quartile1

quartile3

percentile

range

variance

populationVariance

standardDeviation

sumOfLogs

sumOfSquares

geometricMean

quadraticMean

kurtosis

skewness