The best replacement for panel data is time series.

The best alternatives to panel data are rated as following:
★★★★★  time series
★★★★  cross sectional data
★★  time series data
★★  longitudinal data
★  longitudinal
★  pooled data
★  scanner data

Your alternative for panel data is not listed? Suggest!
Speaking about panel data, one probably shouldn't forget about stata.

Other search terms related to panel data and their ratings are:
★★★★★ stata
★★★★ eviews
★★ fixed effects
★ binary dependent variable
★ instrumental variables
intramental variable
You have in mind a companion for panel data and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of panel data in all years. Click on graph for more.
panel data
time series
cross sectional data