Convert to panel data

[Xulei Liu]

Hello Stata community,

I'm trying to convert a group of data to panel，and the details of the data are as follows:

bank asset2020 asset2019 asset2018 loan2020 loan2019 loan2018
809 16948543 16948543 16948643 426555 368398 924121
203 12660586 12660586 12660586 39664 150036 44215
701 7834516 7834516 7834516 957428 427794 298847
799 6780329 6780329 6780329 540984 617928 718439

Among them,bank is individual variable，asset and loan are bank level variables

I don't konw how to convert it to panl data.

Thank you in advance!

[Øyvind Snilsberg]

reshape long asset loan, i(bank) j(year)

[Xulei Liu]

reshape long asset loan, i(bank) j(year)

Tanks for your reply