{
    "filename": "histogram_selection_1", 
    "files": [
        "gaussians3.root"
    ], 
    "folders": [
        "gaussians1"
    ], 
    "plot_modules": [
        "PlotRoot"
    ], 
    "weights": [
        "(var0 < 5) * (var1 > -20)"
    ], 
    "x_expressions": [
        "var0"
    ], 
    "y_expressions": [
        "var1"
    ]
}