Function reference • metR

ggplot2 extension stats, geoms and other ggplot2 extensions
`geom_contour_fill()` `stat_contour_fill()`	Filled 2d contours of a 3d surface
`geom_contour2()` `stat_contour2()`	2d contours of a 3d surface
`geom_contour_tanaka()`	Illuminated contours
`geom_label_contour()` `geom_text_contour()`	Label contours
`geom_arrow()` `geom_vector()`	Arrows
`geom_streamline()` `stat_streamline()`	Streamlines
`geom_relief()` `geom_shadow()`	Relief Shading
`stat_subset()`	Subset values
`is.cross()` `cross()`	Cross pattern
`stat_na()`	Filter only NA values.
`scale_x_longitude()` `scale_y_longitude()` `scale_x_latitude()` `scale_y_latitude()` `scale_x_level()` `scale_y_level()`	Helpful scales for maps
`scale_colour_divergent()` `scale_color_divergent()` `scale_fill_divergent()`	Divergent colour scales
`scale_fill_discretised()` `scale_fill_divergent_discretised()` `discretised_scale()`	Discretised scale
`guide_colourstrip()` `guide_colorstrip()`	Discretized continuous colour guide
`reverselog_trans()`	Reverse log transform
ggplot2 helpers functions that help in plotting
`MakeBreaks()` `AnchorBreaks()`	Functions for making breaks
`WrapCircular()`	Wrap periodic data to any range
`DivideTimeseries()`	Divides long timeseries for better reading
`LonLabel()` `LatLabel()`	Label longitude and latitude
Physics functions related to physical processes
`IdealGas()` `Adiabat()` `VirtualTemperature()` `MixingRatio()` `ClausiusClapeyron()` `DewPoint()`	Thermodynamics
`coriolis()` `f()` `coriolis.dy()` `f.dy()`	Effects of the Earth's rotation
`Derivate()` `Laplacian()` `Divergence()` `Vorticity()`	Derivate a discrete variable using finite differences
`GeostrophicWind()`	Calculate geostrophic winds
`WaveFlux()`	Calculate wave-activity flux
`EPflux()`	Computes Eliassen-Palm fluxes.
Data Manipulation get and manipulate data
`ReadNetCDF()` `GlanceNetCDF()`	Read NetCDF files.
`MaskLand()`	Mask
`GetTopography()`	Get topographic data
`GetSMNData()`	Get Meteorological data
`EOF()`	Empirical Orthogonal Function
`ImputeEOF()`	Impute missing values
`Impute2D()`	Impute missing values by linear or constant interpolation
`Interpolate()`	Bilinear interpolation
`Trajectory()`	Compute trajectories
`FitWave()` `BuildWave()` `FilterWave()` `WaveEnvelope()`	Fourier transform
`FitLm()` `ResidLm()` `Detrend()`	Fast estimates of linear regression
Helpers other helpers
`%~%` `Similar()`	Extended logical operators
`season()` `seasonally()` `is.full_season()`	Assign seasons to months
`Anomaly()`	Anomalies
`Percentile()`	Percentiles
`Mag()` `Angle()`	Magnitude and angle of a vector
`JumpBy()`	Skip observations
`ConvertLongitude()`	Converts between longitude conventions
`dlon()` `dlat()` `dx()` `dy()`	Transform between spherical coordinates and physical coordinates
`as.path()`	Interpolates between locations
`cut(<eof>)`	Remove some principal components.
Datasets sample datasets
`geopotential`	Geopotential height
`temperature`	Air temperature

Reference

ggplot2 extension

ggplot2 helpers

Physics

Data Manipulation

Helpers

Datasets