Gnuplot

• set datafile
  • separator {whitespace | tab | comma | "chars"}
  • missing {"<string>" | NaN}

• set output <filename>
  • The filename is a string variable. Note that strings can be concatenated with . in the middle.
  • The output can be piped with "|<command>"
• set term
  • lua tikz: TeX
  • jpeg
  • png
    • tiny | small | medium | large | giant
    • font "<face> {, <pointsize>}", font <face> <pointsize>
    • fontscale <scale>
    • size <x>, <y>
    • background <rgb_color>
  • gif, svg, pdf
  • canvas
  • qt: Interactive

Legend

• set key
  • on | off
  • default
  • { inside | outside | fixed } | { lmargin | rmargin | tmargin | bmargin } | { at <position> }
  • { left | right | center } { top | bottom | center }
    • { l | r | c } { t | b | c }
  • { vertical | horizontal } { Left | Right }
  • title {"<text>"} {{no}enhanced} {center | left | right}

Label

• set label {"<label text>"} {at <position>} {left | center | right}
• set {x|x2|y|y2|z|t}label {"label"} {offset <offset>} {rotate by <degrees> | rotate parallel | norotate}

Tick mark

• set {x|x2|y|y2|z|t}tics
  • {axis | border} {{no}mirror} {in | out} {front | back}
  • {no}rotate {by <ang>}
  • offset <offset> | nooffset
  • left | right | center | autojustify
  • {add} {autofreq | <incr> | <start>, <incr> {, <end>} | ({"<label>"} <pos> {<level>} {,...})}

• set {x|x2|y|y2|z|cb|r|t|u|v}range [{{<min>}:{<max>}}] {{no}reverse} {{no}writeback} {{no}extend} | restore
• set origin <x> <y>
• set style
  • function <style>
  • data <style>
  • <style>

• 'filename'
• every point_incr:block_incr:start_point:start_block:end_point:end_block
  • end_block cannot be omitted.
  • The count starts from 0.
  • point is the record, and block is the list of records separated by black lines. (not the case for matrix)
• skip N: Ignore the first N lines
• using N:M:{K:...} u: Specify which column to use in which order.
• smooth: perform filtering.
  • unique | frequency | fnormal | cumulative | cnormal: the distribution
  • kdensity {bandwidth} {period}: kernel density estimate
  • csplines | acsplines | mcsplines | bezier | sbezier: curve interpolation
    • csplines:
    • acsplines: Natural Smoothing Splines
      • The third column is used as the weights.
    • mcsplines: Monotomic Piecewise Cubic Interpolation
      • http://www.gnuplot.info/docs/loc8764.html
    • bezier: Use the middle points as the control points
  • unwrap | zsort
• bins=N: sort into equal-sized intervals, histogram.
  • binrange [LOW:HIGH]: the total range of data
  • binwidth=WIDTH: width of a single bin

• t, title <text> | notitle title columnheader title columnheader(N) at {beginning | end | <screenx>, <screeny>}
  • t
  • title "" is equivalent to notitle
• w with <style>: style is one of
  • lines points linespoints financebars dots impulses labels surface steps fsteps histeps arrows vectors xerrorbar xerrorlines yerrorbar yerrorlines xyerrorbars xyerrorlines parallelaxes
  • boxes boxerrorbars boxxyerror isosurface boxplot candlesticks circles zerrorfill ellipses filledcurves fillsteps histograms image pm3d rgbalpha rgbimage polygons
  • table
• linetype, lt: 0 Dotted line
• linewidth lw
• linecolor, lc: "color"
• pointtype pt
  • -1: No point
  • 0: Dot
  • 1: Plus
  • 2: Times
  • 3: Asterisk
  • 4: Box
  • 5: Filled Box
• pointsize ps
• arrowstyle as
• fill fs
• Multiple plots can drawn on the same canvas by joining them with ,.
• \ Can be used at the end of a line to include a newline.

• set multiplot
  • layout n,m
• unset multiplot