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我試圖在基本圖形中重現Fry圖形(請參見下文),並最終在該圖形上繪製數值值點。 繪製非均勻間隔軸
此圖形在y軸上包含不均勻的間隔。我從這裏的其他帖子收集我需要輸入labels
作爲字符,但我似乎無法得到正確的。我有兩個問題,我需要幫助:
- 如何以正確y軸上繪製標籤(Y)
- 後來,當我需要添加點(見代碼結尾)我怎麼會能否將 繪製到不是數字的y軸上的數字點?
CODE:
Y <- c('2.0', '2.5', '3.0', '3.3', '3.5', '3.6', '3.7', '3.8', '4.0', '4.2', '4.3',
'4.5', '4.8', '5.0', '5.2', '5.6', '5.9', '6.3', '6.7', '7.1', '7.7', '8.3',
'9.1', '10.0', '11.1', '12.5', '14.3', '16.7', '20.0', '20+')
X11(14, 10)
plot(1, 1, xlim=c(108,172), axes=FALSE, type='n',
xlab="Average number of syllables per 100 words",
ylab="Average number of sentences per 100 words",
main="Fry Graph for Estimating Reading Ages (grade level)",
xaxs = 'i', yaxs = 'i')
axis(1, at = 108:172, labels = TRUE)
axis(2, at = 2:25, labels=Y)
grid(nx=64, ny=46, lty="solid", col="gold")
grid(nx=32, ny=23, lty="solid", col="gray65")
box()
y <-c(5, 5.9)
x <-c(128, 136)
points(x, y)
我已經決定這太令人費解。我會用數字來重現它。 – 2011-12-23 20:23:41