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color-brewer

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paulinelemenkova / r-categorywise-bar-chart-mariana-trench

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R script drawing a category-wise stacked bar chart of depth observation-point counts per bathymetric profile, coloured by tectonic plate, via data.table melt reshaping and ggplot2 geom_bar (ColorBrewer RdBu). Mariana Trench; Fig. 12 in Lemenkova (2019), Geodesy and Cartography 45(2):57-84.

ggplot2 r data-visualization data-table statistical-graphics geomorphometry bar-chart categorical-data bathymetry data-reshaping plate-tectonics stacked-bar-chart mariana-trench color-brewer
  • Updated Sep 13, 2026
  • R

paulinelemenkova / r-correlation-ellipses-mariana-trench

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R script computing a Pearson correlation matrix of morphometric factors and rendering it as a correlogram of correlation ellipses (ellipse::plotcorr), where ellipse shape and tilt encode the sign and strength of each pairwise correlation, with matrix ordering and a ColorBrewer Spectral ramp. Mariana Trench; Lemenkova (2018), JMTE 2:35-42.

r exploratory-data-analysis data-visualization scientific-visualization statistical-graphics ellipse multivariate-analysis geomorphometry correlation-matrix pearson-correlation bathymetry correlation-analysis matrix-seriation correlogram mariana-trench color-brewer correlation-ellipses plotcorr
  • Updated Sep 14, 2026
  • R

paulinelemenkova / r-ggplot2-pie-charts-landcover-crops

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R scripts building ggplot2 pie/polar charts (stacked-bar-to-coord_polar transform, cumulative-sum label positioning, ggrepel labels, viridis and ColorBrewer palettes, gridExtra composition). FAOSTAT crop-production and MODIS land-cover shares; FAOSTAT script used in Lemenkova (2026), J. Anatolian Geography 5(1):1-14.

pie-chart ggplot2 r dplyr tidyverse data-visualization scientific-visualization remote-sensing statistical-graphics modis environmental-monitoring land-cover viridis categorical-data gridextra polar-coordinates faostat ggrepel color-brewer
  • Updated Sep 12, 2026
  • R

paulinelemenkova / r-ggalt-dumbbell-charts-mariana-trench

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R scripts building dumbbell (connected-dot) charts for paired statistical comparison with ggplot2 and ggalt (geom_dumbbell), factor-ordered categories, cowplot multi-panel layout and ColorBrewer palettes. Mariana Trench geomorphometric profiles; used in Lemenkova (2019), Geodesy and Cartography 45(2):57-84.

ggplot2 r exploratory-data-analysis data-visualization scientific-visualization data-analysis statistical-graphics geomorphometry categorical-data bathymetry reshape2 cowplot ggalt dumbbell-chart paired-comparison mariana-trench color-brewer geom-dumbbell
  • Updated Sep 14, 2026
  • R

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