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aX = -5; bX = 105; aY = 0; bY = 3.1
Dx = 5; Dy = 0.1

titolo = "Morti per eta' in Italia nel 1951"
Cax="silver"; Cgr="silver"
quadro=1

C0=C1="black"
I=[0,  5, 10, 20, 30, 40, 50, 60, 75, 100]
P=[ 729,35,77,132,134,285,457,1401,1569]; NP=P.length
SUM=0; for(i=0;i<NP;i=i+1)  {SUM=SUM+P[i]}
mean=0; for(i=0;i<NP;i=i+1) {mean=mean+P[i]*(I[i]+I[i+1])/2}; mean=mean/SUM
Tot=0; for(i=0;i<NP;i=i+1) {Tot=Tot+P[i]}; for(i=0;i<NP;i=i+1) {P[i]=P[i]/Tot/(I[i+1]-I[i])*100}
L0x=[]; j=0; for(i=1;i<=NP;i=i+1) { L0x[j]=I[i-1]; L0x[j+1]=I[i-1]; L0x[j+2]=I[i]; L0x[j+3]=I[i]; j=j+4 }
L0y=[]; j=0; for(i=1;i<=NP;i=i+1) { L0y[j]=0; L0y[j+1]=P[i-1]; L0y[j+2]=P[i-1]; L0y[j+3]=0; j=j+4 }
L1x=[0,100]; L1y=[0,0]

Q0x=[mean]; Q0y=[0]
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// ----------------------------------------------------------------------------------
colxx="grey"
xx=yy=[]
yy=[1,2,3]
xx=[0,25,50,75,100]
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AX=BX=AY=BY=""
BY = titolo
AAY=aY; BBY=bY
AY="Dx = "+Dx
AAX=aX; BBX=bX
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if(quadro > 1 || quadro < 1) {AY=""; AX=""; BX=""; AAX=""; BBX=""; AAY=""; BBY=""}
AY=["[0, 100]"]
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