我有下面的代码,其中我试图根据分布的类型和所述分布的参数构建一个随机数对象。该代码的工作原理是生成一个包含10000个均匀分布点的对象
import numpy as np
rngSeed = 654 # Random seed for reproducibility
numSimulations = 10_000
def get_rand_unif(min_value, max_value, n_samples=1_000):
"""
This function generates a random number [nd]array of size [n_samples]
from a uniform distribution between the two input values
[min_value, max_value)
Args:
- min_value (float)
- max_value (float)
- n_samples (int)
Return:
- Random number [nd]array of [n_samples] between this range (float)
"""
return np.random.default_rng(rngSeed).uniform(min_value, max_value, n_samples)
def get_rand_norm(mean, std_dev, n_samples=1_000):
"""
This function generates a random number [nd]array of size [n_samples]
from a normal distribution with a mean of [mean] and a standard deviation
of [std_dev].
Args:
- mean(float)
- std_dev (float)
- n_samples (int)
Return:
- Random number [nd]array of [n_samples] from a normal distribution (float)
"""
return np.random.default_rng(rngSeed).normal(mean, std_dev, n_samples)
class InVar:
def __init__(self, *parms):
self.rndData = self.get_disto(*parms)
def get_disto(self, *parms):
distR = {
"unif": get_rand_unif(parms[1], parms[2], numSimulations),
"norm": get_rand_norm(parms[1], parms[2], numSimulations),
}
return distR.get(parms[0])
def rand_data(self):
return self.rndData
p1 = InVar("unif", 0, 1)
然而,当我调试代码时,我注意到正在为均匀和正态分布计算随机值。我想知道如何更改代码,以便只执行与被调用键对应的函数。虽然只是一个轶事,但我担心如果我引入需要两个以上参数的额外概率分布,我会遇到麻烦
我认为您正在寻找的简单修复方法是在构建dict之后调用函数
更新:如果要像以前一样单独调用函数,请使用If/else构造
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