(Part 1) Using Column Transformer for making Machine Learning workflow easy | Machine Learning

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In this tutorial, we'll look at Column Transformer, a powerful data pre-processing technique for making machine learning workflow super simple.

Column Transformers can be used in conjunction with Pipelines and GridSearchCV to further let the model itself pick best parameters for the best working model performance.

In the tutorial, we'll be going through all the nitty-gritties of Column Transformer, and discuss when, how, where to use them.

I've uploaded all the relevant code and datasets used here (and all other tutorials for that matter) on my github page which is accessible here:

Link:

If you like my content, please do not forget to upvote this video and subscribe to my channel!

If you have any qualms regarding any of the content here, please feel free to comment below and I'll be happy to assist you in whatever capacity possible.

Thank you!
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well explained!!!
Please Keep this work up,
I hope your channel will grow rapidly

deepanshumahour
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This is amazing..please keep making videos..don't stop !

KumarHemjeet
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Nice course man well done. Well explained everything thanks for such good content.

owusubright
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This video helped me so much. Keep up the awesome work!

slimmoses
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I have seen a lot of youtube channels which are very good and have many content but bro you channel conquers them all. Please do more videos on other fields of Machine Learning and Deep Learning. Thanks and my respect to you bro.

owusubright
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very nicely explained in a very smooth you so much sir..

amolkabugade
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I got immense and deep understanding of how I can make life easier with sklearn ColumnTransformer. Thank you so much for the video.
If you can kindly comment on how to get back the column names in original dataframe once encoding is done.

dipanwitasarkar
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sir coloumn transfer can we use oridinal encoding label encoding and one hot encodig can u please explain Thank you

JavedKhan-nroo
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Can we perform this feature engineering before train test split or is it mandatory to do it after train test split

ankitlakshya
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This is such a great video. I am just sad you did not end it with fitting a model and training after transforming as that is where I have problems. Is there another video of yours where you did that? I would really appreciate. Thank you

olatheog
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Thank you Rachit for sharing such a great content. I am new to machine learning, can you do a video on "from applying ColumnTransformer on categorical values and then all the way to use them for Linear regression and other algorithms/models"

ashishsikarwar
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A question, why we are not using CT for hours_per_week ?

ajaykushwaha-jemw
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Cant thank you enough for the knowledge imparted. Kudos !!! . A suggestion - Am looking at a variable which needs imputation before One Hot Encoding. Can i perform both the steps in a single code of column transformer or should there be multiple column transformers, which would later be combined using Pipeline functionality?? Please help

vish
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How can I get the names of the columns back?
Please

hudaali
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o=OneHotEncoder(drop=First) # this will drop 1 label from each Feature.

ajaykushwaha-jemw
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