R编程因素(R programming Factors)

返回programming,Factors,因素常用代码示例代码片段

# Create a vector.
apple_colors <- c('green','green','yellow','red','red','red','green')

# Create a factor object.
factor_apple <- factor(apple_colors)

# Print the factor.
print(factor_apple)
print(nlevels(factor_apple))

原文链接:https://rumenz.com/examples/rscript/r-programming-factors.html

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R编程因素(R programming Factors)

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