Jonathan Larkin

StackingCVClassifier fails on pandas DataFrames

2

I am attempting to use `StackingCVClassifier` where the base models are sklearn pipelines. The pipelines use `sklearn.compose.ColumnTransformer` and `mlxtend.feature_selection.ColumnSelector`. As such, when I call `fit(...)` I pass in a pandas...

Vuetify the voila tree

4

Filing an enhancement request ... would be very nice to have a Material Design tree page when you start `voila` in a directory without a single target notebook.

multiple time series

4

Hi Ethan, I attended your talk at PyData NYC -- it was great! I am interested to use `skits` but I have multiple time series of the form: date |...

Hi there, I posted a comment on Medium, and flagging it here. https://medium.com/@marketneutral/nice-clean-article-2a1e773ba4ac

LightGBM reproduction experiment

5

Your package is great! Very helpful to see such a concise and clear implementation. In the params for the LightGBM test you allow for bagging and random feature selection. I...

Code?

1

Hi Peter, I quite enjoy playing with your site http://alphacompiler.com/. I looked through this repo and I don't see any code that actually compiles "101" style alphas to zipline pipeline...

cross validation and grid search

3

I would like to use `FM_FTRL` in an sklearn cross-validation pipeline, e.g., ``` from wordbatch.models import FM_FTRL modelF = FM_FTRL( alpha=0.01, # learning rate beta=0.1, L1=0.00001, L2=0.10, D=X_train.shape[1], alpha_fm=0.01, L2_fm=0.0,...

Using Pyfolio to display Futures Strategies

4

I am hoping to use `pyfolio` to create the various tearsheets on a strategy that trades futures. My first attempt via ```python results = pd.read_pickle('../outfile.pickle') returns, positions, transactions = pf.utils.extract_rets_pos_txn_from_zipline(results)...

qgrid does not display correctly in voila served notebooks

2

I'd like to use `qgrid` to work with dataframes in [`voila`]() served notebooks. I have a simple single cell notebook ```python import qgrid import numpy as np import pandas as...

1.2.0 breaks Custom Data Layer

2

**Describe the bug** Release 1.2.0 breaks the example(s) in https://docs.chainlit.io/data-persistence/custom **To Reproduce** This is the code that works prior to 1.2.0 ``` storage_client = S3StorageClient(bucket=bucket_name) cl_data._data_layer = SQLAlchemyDataLayer(conninfo=db, storage_provider=storage_client) ```...