R语言 计算Wilcoxon Signedrank分布的PDF值 – dsignrank()函数

R语言中的 dsignrank() 函数用于计算一串数值的Wilcoxon Signedrank统计分布的概率密度函数(PDF)值。

语法： dsignrank(x, n)

参数：

x： 数字向量

n： 样本大小

例1 :

# R Program to compute the value of
# PDF over Wilcoxon Signedrank Distribution
  
# Creating a sequence of x-values
x <- seq(0, 20, by = 1)
  
# Calling dsignrank() Function
y <- dsignrank(x, n = 10)
y

输出

 [1] 0.0009765625 0.0009765625 0.0009765625 0.0019531250 0.0019531250
 [6] 0.0029296875 0.0039062500 0.0048828125 0.0058593750 0.0078125000
[11] 0.0097656250 0.0107421875 0.0126953125 0.0146484375 0.0166015625
[16] 0.0195312500 0.0214843750 0.0234375000 0.0263671875 0.0283203125
[21] 0.0302734375

例2 :

# R Program to compute the value of
# PDF over Wilcoxon Signedrank Distribution
  
# Creating a sequence of x-values
x <- seq(1, 100, by = 1)
  
# Calling dsignrank() Function
y <- dsignrank(x, n = 15)
  
# Plot a graph
plot(y)

输出：