VarStats (Apache SystemDS 3.3.0 API)

java.lang.Object
- org.apache.sysds.resource.cost.VarStats

```
public class VarStats
extends Object
```

Constructor Summary

Constructors
Constructor Description

VarStats(String name, DataCharacteristics dc)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`long`	`getCells()`
`long`	`getCellsWithSparsity()`
`long`	`getM()`
`long`	`getN()`
`long`	`getNNZ()`
`RDDStats`	`getRddStats()`	Meant to be used at testing
`double`	`getSparsity()`
`boolean`	`isScalar()`
`boolean`	`isSparse()`
`void`	`setAllocatedMemory(long memory)`	Meant to be used at testing
`void`	`setRddStats(RDDStats rddStats)`	Meant to be used at testing

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VarStats

public VarStats(String name,
                DataCharacteristics dc)

Method Detail

isScalar
```
public boolean isScalar()
```

getM
```
public long getM()
```

getN
```
public long getN()
```

getNNZ
```
public long getNNZ()
```

getSparsity
```
public double getSparsity()
```

getCells
```
public long getCells()
```

getCellsWithSparsity
```
public long getCellsWithSparsity()
```

isSparse
```
public boolean isSparse()
```

setAllocatedMemory
```
public void setAllocatedMemory(long memory)
```
Meant to be used at testing

Parameters:

memory - size to allocate

getRddStats
```
public RDDStats getRddStats()
```
Meant to be used at testing

Returns:

corresponding RDD statistics

setRddStats
```
public void setRddStats(RDDStats rddStats)
```
Meant to be used at testing

Parameters:

rddStats - corresponding RDD statistics