Colt Allen

Note this issue is not resolved by https://github.com/pymc-labs/pymc-marketing/pull/393 and should be rolled into a larger PR for updates to the CLV Quickstart notebook.

Updated original comment with list of PRs to complete.

> Is t / future_t meant to be vector / vectorized in the API? I think previous implementation had it as vector of same size as each other input or...

Steps 4-6 (along with adding CLV support for `ShiftedBetaGeoModelIndividual`) are extraneous and will be given their own issues after https://github.com/pymc-labs/pymc-marketing/pull/758 is merged.

Hey @surendransuri, Looks like the managed databricks environment you're working in has a hard requirement for `scipy==1.7.1`, but the latest version of `arviz` requires `scipy>=1.8.0`. Try reinstalling `scipy==1.7.1`, and installing...

Hey @CinelliGucci, Nelder-Mead can converge to non-stationary points per [Wikipedia](https://en.wikipedia.org/wiki/Nelder%E2%80%93Mead_method), which may explain the variations in parameters. These models are also quite sensitive to changes in parameter values, as you've...

> Do you expect, usually, a smoother alive distribution? Using the Pareto/NBD. This depends on the data and choice of `penalizer_coef`. Leaving `penalizer_coef` at the default value of 0.0 will...

> Do you know if in BTYD or in pymc-marketing there will be the implementation of the Pareto/NBD model with time-invariant covariates? I will be working on this soon in...

Hey @sudarsan-surendralal, This is something I'd very much like to see happen as well, and if you want to submit a PR for this that'd be great. I've found documentation...

Hey @SSMK-wq, **The short answer is yes, with the caveat of the CLV calculations, which I intend to fix before this library is out of beta.** Many companies have used...