Data Science

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Question #1

[{"selector":"#anim-ada37f8b-e6a5-4684-8754-fe78885ad016","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-03fcb283-d5a5-4d89-9a08-372c79eb9e56","keyframes":{"transform":["translate3d(-115.68628%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] What is Data Science? Differentiate between Data Analytics and Data Science.

Question #2

[{"selector":"#anim-0419a3a0-71fa-474e-bc25-d9f873a7cf2e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-023b7077-1de7-42cb-bcef-bcd07071ec6e","keyframes":{"transform":["translate3d(-115.68628%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] What are the differences between unsupervised and supervised learning?

Question #3

[{"selector":"#anim-22237ee2-2d3a-494f-8825-cef5229f2ccd","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e65cf307-8448-4188-996d-44c9708fcf4b","keyframes":{"transform":["translate3d(-115.68628%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] What is the meaning of bias, variance trade-off?

Question #4

[{"selector":"#anim-9e2cf7cb-60a9-45e7-bedf-3a146587f5ce","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2287818d-06f9-4596-849e-4eb5f923e1bc","keyframes":{"transform":["translate3d(-115.68628%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Explain the Random Forest Model and how to build one.

Question #5

[{"selector":"#anim-204d88f0-601b-42c1-a5f9-c8f5c2e9338c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b1f7d954-4cd0-4396-9b85-2e958af035db","keyframes":{"transform":["translate3d(-115.68628%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Explain Dimensionality Reduction and its benefits.

Question #6

[{"selector":"#anim-874ea387-2247-49c4-bbdb-05e03f360a31","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a57fb28e-61e1-4c17-9524-4d7d664435e4","keyframes":{"transform":["translate3d(-115.68628%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Differentiate between univariate, bivariate, and multivariate analysis.

Question #7

[{"selector":"#anim-4f0b09a7-a5af-491d-bc86-b953653df095","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-84509233-510c-4d77-ba6d-41244faae8b9","keyframes":{"transform":["translate3d(-115.68628%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] What is a Decision Tree? Explain the steps involved in the process of making a Decision Tree.

Question #8

[{"selector":"#anim-1d19e17d-a436-4fd7-a4aa-6c3b79593713","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4447d322-b38e-4965-8157-6acde77bfd41","keyframes":{"transform":["translate3d(-116.16162%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] What is Logistic Regression? Provide a real-world example where Logistic Regression can be used.

Question #9

[{"selector":"#anim-919c31ed-482a-4009-aeee-4ce68f88cd22","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-70051ecb-691f-49bc-a4c2-e6854e52900e","keyframes":{"transform":["translate3d(-116.16162%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] What is a Confusion Matrix?

Question #10

[{"selector":"#anim-0a34fb71-eaef-475b-a481-358e839d6aeb","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-43c87abb-25d7-4d73-9e4e-7cf886fdf1d1","keyframes":{"transform":["translate3d(-116.16162%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Mention some techniques used for sampling. Explore more

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