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Object org.apache.spark.mllib.random.LogNormalGenerator
public class LogNormalGenerator
:: DeveloperApi :: Generates i.i.d. samples from the log normal distribution with the given mean and standard deviation.
param: mean mean for the log normal distribution. param: std standard deviation for the log normal distribution
Constructor Summary | |
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LogNormalGenerator(double mean,
double std)
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Method Summary | |
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LogNormalGenerator |
copy()
Returns a copy of the RandomDataGenerator with a new instance of the rng object used in the class when applicable for non-locking concurrent usage. |
double |
mean()
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double |
nextValue()
Returns an i.i.d. |
void |
setSeed(long seed)
Set random seed. |
double |
std()
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Methods inherited from class Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public LogNormalGenerator(double mean, double std)
Method Detail |
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public double mean()
public double std()
public double nextValue()
RandomDataGenerator
nextValue
in interface RandomDataGenerator<Object>
public void setSeed(long seed)
Pseudorandom
setSeed
in interface Pseudorandom
public LogNormalGenerator copy()
RandomDataGenerator
copy
in interface RandomDataGenerator<Object>
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