clim
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Numeric giving the lower and upper limits of the character expansion (cex) normalization for bubble charts.
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dodge
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Adjustment parameter for dodging overlapping points or ranges in grouped plots along the x-axis (or y-axis for flipped plots). Either:
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numeric value in the range [0,1). Note that values are scaled relative to the spacing of x-axis breaks, e.g. dodge = 0.1 places the outermost groups one-tenth of the way to adjacent breaks, dodge = 0.5 places them midway between breaks, etc. Values < 0.5 are recommended.
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logical. If TRUE, the dodge width is calculated automatically based on the number of groups (0.1 per group for 2-4 groups, 0.45 for 5+ groups). If FALSE or 0, no dodging is performed.
Default value is 0 (no dodging). While we do not check, it is strongly recommended that dodging only be used in cases where the x-axis comprises a limited number of discrete breaks.
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fixed.dodge
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Logical. If FALSE (default), dodge positions are calculated independently for each x value, based only on the groups present at that position. If TRUE, dodge positions are based on all groups, ensuring "fixed" spacing across x-axis breaks (i.e., even if some groups are missing for a particular x value).
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xlevels
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a character or numeric vector specifying the order in which the levels of the x variable should be plotted (as level names if character, or level indexes if numeric, e.g. 3:1). The special keyword “asis” takes the categories in the order that they appear in the data, i.e. skipping the alphabetical sort that is otherwise applied when coercing a character variable to a factor. Note that this argument only affects categorical (i.e., factor or character) x variables; it is ignored for numeric x. The default NULL keeps the existing factor levels (alphabetical for character variables).
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