First of all we`ll revise some information about our countries. The 1st one is “Students from Russia”, and the 2nd - “Students from America”. So, what is the complete theme of our lesson? Our task is to determine what the unofficial symbols of these countries. Each country also has unofficial symbols. Our task is to revise the material of the Units talking about the official symbols of the USA and Russia. P2: We will talk about the symbols of Russia. P1: We will talk about the symbols of the USA. What are we going to do today? What do you think? And now looking at the scheme, can you guess the theme of our lesson?
During it you will be asked some questions. I want you to set the theme by yourselves. But look! There is no theme for our lesson.
Well, today we are having a revision lesson. I hope that all of you are ready to start. 1000) by mouseover.Īttempts: switching cex = "value" with cex = "value_abs" yields warning: In min(x) : no non-missing arguments to min returning Inf without any points drawn, or with cex = df$value_abs (no quotes), which makes uncolored, enormous points. In other words, I'm hoping for the pattern of points here below to be symmetrical with the left side as a mirror image of the right in size, but with blue circles at left, red at right, and still allowing the user to see the actual (non absolute) values (e.g. M <- mapview(df, #sets hover over value as this columnĬex = "value", #sets circle diameter scaling on this columnĬol.regions = pal(100), #closest I found to a red-blue divergent scale Pal <- mapviewPalette("mapviewSpectralColors") #from mapview doc. Mutate(value_abs = abs(value)) #value_abs intended for `cex` argument mouse over hover label of the original value retained.a divergent color scale fill for the circles (say dark blue>blue>white>red>dark red for most negative>negative>zero>positive>largest).point symbol circle sizes on an absolute value scale (to highlight losses as much as gains).I'm trying for a divergent scale theme in mapview to help visualize gains vs.
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