Thanks Jorge
for the helpful and useful instructions. Sometimes it will certainly
come in handy.
Jaroslav Hajtmar
Dne 17.2.2014 0:53, DesdeChaves napsal(a):
\usemodule[tikz]
\usemodule[pgfplots]
\usemodule[pgfplotstable]
\starttext
\startluacode
local dados={};
for i=1,10 do
dados[i]=2*i
end
context("\\starttikzpicture")
context("\\pgfplotsset{width=10cm, compat=1.3, legend
style={font=\\tfx}}")
context("\\startaxis[")
context("xlabel={L (m) },")
context("ylabel={ $T^2 (s^2)$},legend cell align=left, legend
pos=north west]")
context("\\addplot[only marks] table[row sep=\\\\]{")
context("X Y\\\\")
for key,value in pairs(dados) do
context("%0.2f %0.1f \\\\", key, value)
end
context(" };")
context("\\addlegendentry{Experimental points}")
context("\\addplot table[row sep=\\\\,")
context("y={create col/linear regression={y=Y}}]{")
context("X Y\\\\")
for key,value in pairs(dados) do
context("%0.2f %0.1f \\\\", key, value)
end
context("};")
context("\\addlegendentry{")
context("$\\pgfmathprintnumber{\\pgfplotstableregressiona} \\cdot x")
context("\\pgfmathprintnumber[print
sign]{\\pgfplotstableregressionb}$ lin. Regression}")
context("\\stopaxis")
context("\\stoptikzpicture")
\stopluacode
\stoptext
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