Interpretation and identification of within-unit and cross-sectional variation in panel data models | PLOS ONE
![Panel Data "repeated time values within panel r(451)" error. Involves companies and respective yearly data from 2016-2020. : r/stata Panel Data "repeated time values within panel r(451)" error. Involves companies and respective yearly data from 2016-2020. : r/stata](https://preview.redd.it/4zhfqkhlrhs81.png?width=1303&format=png&auto=webp&s=06f6de24b401b01e99e6ecc500cacc1937fc6e7a)
Panel Data "repeated time values within panel r(451)" error. Involves companies and respective yearly data from 2016-2020. : r/stata
![Stata tip 150: When is it appropriate to xtset a panel dataset with panelvar only? - Carlo Lazzaro, 2023 Stata tip 150: When is it appropriate to xtset a panel dataset with panelvar only? - Carlo Lazzaro, 2023](https://journals.sagepub.com/cms/10.1177/1536867X231162020/asset/images/10.1177_1536867x231162020-img3.png)
Stata tip 150: When is it appropriate to xtset a panel dataset with panelvar only? - Carlo Lazzaro, 2023
Stata tip 150: When is it appropriate to xtset a panel dataset with panelvar only? - Carlo Lazzaro, 2023
![Panel Data "repeated time values within panel r(451)" error. Involves companies and respective yearly data from 2016-2020. : r/stata Panel Data "repeated time values within panel r(451)" error. Involves companies and respective yearly data from 2016-2020. : r/stata](https://preview.redd.it/qn8qgctm15u81.png?width=1119&format=png&auto=webp&s=71309ae716f387b39e0299f165100acb5ff3be03)
Panel Data "repeated time values within panel r(451)" error. Involves companies and respective yearly data from 2016-2020. : r/stata
![Panel Data "repeated time values within panel r(451)" error. Involves companies and respective yearly data from 2016-2020. : r/stata Panel Data "repeated time values within panel r(451)" error. Involves companies and respective yearly data from 2016-2020. : r/stata](https://preview.redd.it/n6mxlbtl2jw81.png?width=481&format=png&auto=webp&s=2589369c117fe69036795d7b74353b49186e8e3d)