if(k>n/2)returnchoose(n,n-k);//Recall that c(5,2) is the same as c(5,3)
letres=1;
for(leti=1;i<=k;i++){
res*=(n+1-i)/i;
}
returnres;
}
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.