set term png #set size 1.8 set grid set out 'dekadar.png' set xlabel \ 'roky 1999 az 2008 - jedno desetileti' set title 'odchylky globalni teploty od prumeru let 1951-1980 / cK' a=40 b=20 f(x) = a + b * (x/10) fit f(x) 'roky.txt' via a,b plot [-0.5:9.5] [10:90] 'roky.txt' with lines, \ f(x) title '0.19 K (+- 0.10) / 10 let' quit