Cluster Analysis using R$-$language:$-$

The datafile ustech$2.$csv consists of weekly closing prices $($USD$)$ from January $2020$ to May

$2024$ on the $20$ largest technology companies appearing in the Nasdaq $100$ index.

i$.$ Explore the data, individual securities and their characteristics.

ii$.$ Use hierarchical cluster analysis to determine if meaningful groups can be formed based

on weekly stock returns.

iii. What conclusions $($if any$)$ do you draw from your analyses?

I need the R$-$code used to solve part ii$.$ Please find attached sample data screenshot.

Dates in column $1,$ company names as headers of rest of the columns and share prices under.