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Databricks Machine Learning Associate Exam - Topic 3 Question 9 Discussion

Posted by Christene on Jul 04, 2024 at 04:16 PM

Which of the following machine learning algorithms typically uses bagging?

Suggested Answer: C

Random Forest is a machine learning algorithm that typically uses bagging (Bootstrap Aggregating). Bagging is a technique that involves training multiple base models (such as decision trees) on different subsets of the data and then combining their predictions to improve overall model performance. Each subset is created by randomly sampling with replacement from the original dataset. The Random Forest algorithm builds multiple decision trees and merges them to get a more accurate and stable prediction.


Databricks documentation on Random Forest: Random Forest in Spark ML

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41 comments · newest first
TH
Thurman 10 months ago
Nope, K-means is clustering, not bagging.
LE
Leslee 11 months ago
Wait, K-means doesn't use bagging? That's surprising!
LA
Lashon 11 months ago
I thought decision trees could use bagging too?
TE
Tequila 11 months ago
Definitely C, it's a classic.
LO
Long 11 months ago
Random forest uses bagging!
RI
Rickie 12 months ago
I feel like gradient boosted trees are more about boosting than bagging, so I would lean towards random forests here.
WI
Willie 12 months ago
K-means doesn't sound right for bagging, but I can't recall if decision trees do.
VA
Valene 12 months ago
I remember practicing with random forests, and I think they definitely use bagging.
SH
Sherita 1 year ago
I think bagging is mostly associated with ensemble methods, but I'm not completely sure which ones specifically use it.
MA
Man 1 year ago
I remember learning that bagging is commonly used with decision trees, so I'll go with option D.
SH
Sherell 1 year ago
I know bagging is a technique that combines multiple models, so I'm thinking it's most likely used with random forest or gradient boosted trees. I'll go with C.
MA
Maurine 1 year ago
Hmm, I'm a bit confused on the difference between bagging and boosting. I'll have to think this through carefully.
MA
Magdalene 1 year ago
I'm pretty sure random forest uses bagging, so I'll go with option C.
LO
Louvenia 1 year ago
Okay, let's break this down step-by-step. The key is ensuring the traffic is encrypted end-to-end, so we'll need to configure both CloudFront and the backend to use HTTPS.
ES
Essie 1 year ago
I think "client" and "standalone" might be the right choices since we talked a lot about server types in class.
SH
Sherman 1 year ago
This looks like a straightforward question about interpreting a utilization chart. I'll carefully review the chart options and choose the one that best matches the description.
YO
Yong 1 year ago
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NA
Nan 1 year ago
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LU
Luann 2 years ago
C. Random forest. Bagging is the secret sauce that makes it so darn accurate.
CL
Clay 2 years ago
D. Linear regression? What is this, a comedy show? Random forest all the way, baby!
NG
Nguyet 2 years ago
↳ replying to Clay
E) Decision tree
JA
Jannette 2 years ago
↳ replying to Clay
C) Random forest
ST
Stefan 2 years ago
↳ replying to Clay
Definitely not Linear regression, that's for sure!
ME
Merissa 2 years ago
↳ replying to Clay
I agree, Random forest is great for using bagging.
CH
Charlesetta 2 years ago
↳ replying to Clay
Random forest all the way! It's a powerful algorithm.
LO
Lore 2 years ago
↳ replying to Clay
A) Gradient boosted trees
CA
Catalina 2 years ago
I believe Random forest is the correct answer because it combines multiple decision trees through bagging.
EL
Elenor 2 years ago
This is easy, it's C. Random forest. Bagging is like the icing on the cake for that algorithm.
RE
Renay 2 years ago
I'm not sure, but I think A) Gradient boosted trees also uses bagging.
CE
Cecil 2 years ago
Hmm, I'm going with C. Random forest. Gotta love those trees, am I right?
EL
Elli 2 years ago
↳ replying to Cecil
Yeah, Random forest is known for its use of bagging.
AR
Aracelis 2 years ago
↳ replying to Cecil
Random forest is definitely a popular choice for bagging.
OD
Odelia 2 years ago
↳ replying to Cecil
Random forest is definitely the way to go for that!
DE
Delisa 2 years ago
↳ replying to Cecil
I agree, Random forest is a great choice for bagging.
MA
Margery 2 years ago
↳ replying to Cecil
I think Random forest is the way to go too.
DO
Dottie 2 years ago
↳ replying to Cecil
I agree, Random forest is a great choice.
SE
Serita 2 years ago
I agree with Gracia, Random forest uses bagging to improve accuracy.
GR
Gracia 2 years ago
I think the answer is C) Random forest.
CA
Casandra 2 years ago
Random forest, for sure! Bagging is like a machine learning superpower.
GE
Gerardo 2 years ago
↳ replying to Casandra
I agree, bagging really gives random forest an edge in machine learning.
LU
Luisa 2 years ago
↳ replying to Casandra
Random forest is definitely the one that uses bagging. It's so powerful!
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