cd '<path to folder where xrd csv data file is stored>'
set datafile separator ","
#plot "xrd_data.csv" u 1:2 skip 1 wp
bg(x) = m * x + c
gaussian(x) = A * exp(-((x - x0)**2) / (2 * sigma**2))
f(x) = bg(x) + gaussian(x)
m = 0.5
c=150
A=1200
x0=38.2
sigma=0.15
fit [37.5:39.0] f(x) 'xrd_data.csv' using 1:2 via m, c, A, x0, sigma
set xrange [37.5:39.0]
set terminal pngcairo size 800,600 enhanced font 'Verdana,10'
set output 'gnuplot_fit_result1.png'
plot 'xrd_data.csv' using 1:2 with points title 'Experimental Data', f(x) with lines linewidth 2.5 linecolor rgb "red" title 'Optimized Fit Model'
set output