Conditional plotting for a dataset?
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I would like to make a plot of data where the date is on the x-axis and air concentrations values are in the y-axis. But, I only want to plot the air concentrations that are greater than 0.07. How would I do this?
Thank you.
5 个评论
Osama Hussein
2017-11-13
Let's store air concentrations in vector "c".. Then
plot(data(c>0.07),c(c>0.07))
Walter Roberson
2017-11-13
This will join across the gaps.
Osama Hussein
2017-11-13
Yes, you are correct. Thank you.
Navonil Sarkar
2021-3-2
编辑：Navonil Sarkar
2021-3-2
I want to plot x (independent variable) vs y only for integral values of x in a discrete function! How can this be done?
Walter Roberson
2021-3-2
temp = x;
temp(mod(temp, 1)~=0) = nan;
plot(temp, y)
采纳的回答
Walter Roberson
2017-11-13
temp = concentration;
temp(temp <= 0.07) = nan;
plot(time, temp)
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