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Kaggle's 30 Days Of ML (Day-13 Part-1): Scikit-Learn Pipelines

  Рет қаралды 7,615

Abhishek Thakur

Abhishek Thakur

Күн бұрын

Пікірлер: 18
@MrBenStringer
@MrBenStringer 9 ай бұрын
I'm a bit late to the party! 2 years since the videos were released and they're still proving to be massively helpful. I've enjoyed all the videos in the series so far. Most of all, the extra information you provide is priceless. Thanks a bunch. It's so useful to see you stepping through the process.
@raven5335
@raven5335 3 жыл бұрын
Your work is awesome.. thank you Abhishek
@ravulasandeep2512
@ravulasandeep2512 3 жыл бұрын
Thanks for this initiative.Gaining a lot Abhishek.
@2mitable
@2mitable 2 жыл бұрын
learn lot From you thanks for this playlist
@saravanakumarg140
@saravanakumarg140 3 жыл бұрын
Great bro
@chienlingliu
@chienlingliu 2 жыл бұрын
great video. What does the step_1.b.check() thing do ? is it a function you defined ?
@nisharnbhana451
@nisharnbhana451 3 жыл бұрын
Hello, I am curious would you be able to explain how you record your videos (Screen recording &camera)? It seems that you can switch between computer screen and iPad and am wondering what software you use
@grow-with-abi
@grow-with-abi 3 жыл бұрын
Sir, for a classifier model , can we apply encoder to categorical variables or is it like only we can apply to a regressor model?, also if we have only few features , is it feasible to apply encoder in classifier models?
@sardarabdullahkhawar8487
@sardarabdullahkhawar8487 3 жыл бұрын
Sir my question is in categorical variables if we have to use LabelEncoder and there are bad columns like in the exercise then how can we use it in pipeline?? Can you do it in your video part??
@katamit
@katamit 3 жыл бұрын
Hello , how to make column selection step as part of pipe line. i.e.. if I have trained on 10 columns before performing any transformation , i would like to select only those columns. and make this part of pipeline.. Tried using columnTransformer. but columns Transformed return only the numpy array - so the following step of numeric_transformation and categorical _transformation are breaking
@jsklair
@jsklair 3 жыл бұрын
Would it have been worth checking the MAE of the GradientBoostingRegressor model on it's own, to see whether it was lower than the MAE of the average of the two models? Thanks for all the videos.
@abhishekkrthakur
@abhishekkrthakur 3 жыл бұрын
we did it on day 10 or 11. but yeah
@kiransethi5109
@kiransethi5109 3 жыл бұрын
Hii sir , what is the significance of making avearge of the predictions ?
@abhishekkrthakur
@abhishekkrthakur 3 жыл бұрын
in each fold we train on 80% of training data. so, we miss the information from the other 20%. we compensate for this by taking average of predictions from all folds. if you have a lot of data, this might not be needed. this is also a kind of blending, in which you train on subsets of data and then take a simple average of all resulting models (see competition part 5 video)
@Orchishman
@Orchishman 3 жыл бұрын
In of your previous videos we created a custom imputer where we made the model predict the null values...if we are using Pipelines, is it possible to use such custom functions as imputers?
@abhishekkrthakur
@abhishekkrthakur 3 жыл бұрын
good question! yes you can do that. you need to create a class with "fit" and "transform" functions. Unfortunately, its an advanced concept and out of scope of this series. check out: stackoverflow.com/questions/43232506/using-pipeline-with-custom-classes-in-sklearn
@Orchishman
@Orchishman 3 жыл бұрын
@@abhishekkrthakur thanks for that prompt response!
@nischaypatel4
@nischaypatel4 8 ай бұрын
Can you please share the solution of the exercise of Missing values on how to predict the null values by building a model on rest of the features??
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