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DBSCAN Clustering Coding Tutorial in Python & Scikit-Learn

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Video Explaining the Algorithm: • DBSCAN Clustering Algo...
The Colab Notebook: colab.research...
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Опубликовано:

27 авг 2024

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Комментарии : 52

@GregHogg Год назад

Take my courses at mlnow.ai/!

@yamani3882 Год назад

You literately wrote the function I needed, thank you Greg!

@GregHogg Год назад

You're very welcome!

@pankajgoikar4158 Год назад

I wish i could find a word to express my gratitude to you. You are just amazing. you have clear the many concept and I learned a lot from you. Thank you so much and god bless you. Plz keep it up and upload more videos. Looking forward to see more videos like HDBSCAN and more. God bless you.

@GregHogg Год назад

That definitely sends the right message! Thank you:))

@shahneelapitafi7406 Год назад

@@GregHogg hi i want to apply dbscan on images to generate the clusters on the basis of image pixles densities can you help me in this

@PolycarpNalela Год назад

Thanks to good people like you, we are able to learn a lot of useful skills at a free cost. This is the best tutorial so far that I have watched on DBSCAN

@GregHogg Год назад

So kind and really glad to hear it!

@mrurm9496 Год назад

Thanks Greg, that was awesome. Explanation on the spot. I loved the part about showing how to find a *really good* model that went beyond the typical 10 min how-to video. I am new to ML coming from a research background (physics) and often I am a bit worried about the mindset "ML is easy, just watch this video, implement the algorithm and you are done". So, again, really great job, thanks.

@GregHogg Год назад

Hmm yeah I totally get that. You're very welcome and thanks so much for the kind words!!

@ayenewyihune Год назад

Great video, sure this is the most well explained I have seen on the topic so far

@GregHogg Год назад

Glad to hear it, Ayenew!

@mrurm9496 Год назад

Danke!

@PolycarpNalela Год назад

Thank you for showing us how to optimize a good dbscan model

@GregHogg Год назад

My pleasure!

@markl9245 4 месяца назад

Great video, the optimisation guide is really helpful too for a project I am working on. Thanks!

@GregHogg 4 месяца назад

That's super great to hear!

@LightningTrooper Год назад

Thank you for the great gob! Very easy to understand!

@GregHogg Год назад

You're very welcome 😁

@user-uh5qj9jo8k Год назад

That was amazing!!!!! thanks for your sharing! brilliant brain!

@GregHogg Год назад

Haha you're very welcome 😁

@arsheyajain7055 2 года назад

Very helpful thanks!!

@GregHogg 2 года назад

You're very welcome!

@mikekertser5384 2 года назад

Very nice! Thank you! :) Grid search is not optimal for a highly non-linear models. Scipy has a great optimization toolbox with global simplex methods like "shgo", highly suitable for a non-linear global optimization tasks. Easy to use as well. :)

@GregHogg 2 года назад

Wow, thanks Mike! I'll be sure to check these out, that's great to know. I still found that it worked pretty well, but I guess the dataset wasn't super massive. Very helpful for me and others, thank you.

@ecemgungor6208 Год назад

Hello, thanks for the video. I have a question. I have data consisting of 30,000 data points and these points have 3 features. I would like to calculate the 3D joint probability density of these data and plot a 3D scatter plot, where the x,y, and z axes correspond to these features, coloring based on probability densities. Although I have been looking for any tool/library for that, I could not find any way to do it. Do you have any suggestions for that? I really appreciate any comment. Thanks a lot!

@ManishaSinghbt23m010 3 месяца назад

hey there, your video is absolutely good but i just want to ask why when u plotted u took only the 2 columns from your dataset? can we make clusters of all 12 columns that u had in your dataset and visualize those clusters, suggest me if there is any such algorithm available!

@r0cketRacoon Месяц назад

great video

@adityasharma4454 Год назад

that dataset should be chosen for dbscan analysis which contains meaningful clusters, which rather does not seem to be the case with california housing dataset :)

@wannabeengineer5239 2 года назад

Great Job, Thanks.

@GregHogg 2 года назад

You're very welcome :)

@User-w9x 2 месяца назад

Hii Greg thanks a lot for this awesome video could you please make same content for HDBSCAN please

@itsamankumar403 8 месяцев назад

TYSM Greg :)

@GregHogg 8 месяцев назад

Very welcome!

@manilhas100 Год назад

Hello Greg! Thank you for the valuable in depth explanation. When having GPS data where time is also relevant for clustering points, how can that be used with DBSCAN? Or is there any other algorithm that suits better the problem?

@abhisheksinha1983 8 месяцев назад

Hi Greg, Your housing dataset was having many features, but you only took 2 feature like long, latt(if I understood it clearly) for clustering. You have other features also, can we use all other features too for making the clusters. Please help me.

@aikerim11 11 месяцев назад

Where i can take this dataset?

@chefirahaithem2947 Год назад

hello Greg , That was super helpful , but how can i draw an elbow on the same graph thank you

@beautyisinmind2163 Год назад

Sir, while using grid search for DBSCAN is it necessary to use cross-validation to prevent overfitting?

@kais4887 11 месяцев назад

Unlike kmeans there is no option to predict new values with dbscan in sklearn. There is only a fit_predict() which will just create new clusters. why is that? Is there a way we could predict in which cluster the new datapoints will go to

@GregHogg 11 месяцев назад

People are very divided on this feature. Technically, there should not be any prediction for a clustering model. Others (including me honestly) think that you might as well have a prediction function.

@nicolelarrain1267 Год назад

Hello! Thanks so much for the tutorial! But I have a problem, I tried to do it with my data, it has a lot of columns, I can do the search of epsilon and min samples with all the columns? Or it has to be with 2? Because the error is: operands could not be broadcast together with shapes (33026,) (6,) I hope someone could help me, thanks

@ubaidahmed1083 2 года назад

Sir can you make a video about any of meta-heuristic technique for clustering

@GregHogg 2 года назад

I'll have to look into this.

@ubaidahmed1083 2 года назад

@@GregHogg looking forward to it Thank you.

@convolutionalnn2582 2 года назад

Can you make video on spectral cluster , affinity propagation and BIRCH?

@GregHogg 2 года назад

At some point, absolutely.

@gopinathk5094 2 года назад

Hi Greg, I am new to programming (some knowledge of MatLab I have). I started with python for everybody specialization and now I am doing google data analytics professional certificate course also. after this I am planning to study ML and deeplearning specialization from andrew ng. is this knowledge enough to land in a ML Engineer job? or any other suggestion (Note: I am not from computer science background)

@GregHogg 2 года назад

The information will be tremendously valuable, and is essentially a requirement. I can't promise you will land a job after it, and there's certainly more to learn on the coding front, but this is excellent and necessary progress.

@gopinathk5094 2 года назад

@@GregHogg thanks Greg for your reply

@GregHogg 2 года назад

@@gopinathk5094 Best of luck 😃