Must-Know Questions

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[{"selector":"#anim-5cb1de82-e82d-42e8-9979-fadc90eba1e5","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c6c920e1-8f2c-471b-baf8-4f851589623f","keyframes":{"transform":["translate3d(0px, -732.7327%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-69b60d5b-11ed-43b7-a8be-a4061af2a598 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.808669043902919%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] How can you prevent overfitting in a machine-learning model? Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-8e843149-618a-4939-a91b-6b6bd618c6ab [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.868525640762189%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-f15b4821-332f-4c0a-974a-e8c3c46bf714","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5001751a-3132-45e6-b907-11316b305914","keyframes":{"transform":["translate3d(0px, -732.7327%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Describe the process of cross-validation. Why is it useful? Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-7d0805f1-ca91-4757-a976-8f26b516ad79 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.817772522442576%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-d529d5bc-3841-42df-91a2-50a74504a77b","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a59d47e2-c5b5-4ffa-9873-573bcaaade30","keyframes":{"transform":["translate3d(0px, -732.7327%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] How will you handle missing values in a dataset? Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-706ff9eb-77be-4558-9d9d-f6a3abefc9d9","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1d23585a-f4da-4565-b16c-3418ac3207a2","keyframes":{"transform":["translate3d(0px, -732.7327%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ee4ce840-b29f-425e-80a3-35cc81d4f2e5 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(12.499999772451451%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] What is cross-validation? And why is it used? Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-c460ba3a-4b5a-4150-b24f-e2d5d2f4bada [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.868525640762189%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-55f2b4cb-b593-46a1-a69a-0e93f68c80e6","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5ea5d8a8-607d-4b5f-8b99-3e3e070ba36b","keyframes":{"transform":["translate3d(0px, -559.04149%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] How will you evaluate the performance of classification models? Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-38ad7f01-9bcd-4dd7-831e-d3e0ee407705","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-08056a60-a7e7-48e2-8a9f-aaa0a0960f76","keyframes":{"transform":["translate3d(0px, -559.04149%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ecd88f54-f966-4bec-b74b-f8519874e746 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.812499744007886%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] What criteria would you use to choose the most relevant features in a machine learning project? Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-c78eabf7-2552-4ec6-ab0d-586432f00350 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.868525640762189%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-11ba1bd8-b33b-42ab-a168-4f2a0dd59921","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-26afd07c-d55b-4cc4-a3c5-1b64b0d68684","keyframes":{"transform":["translate3d(0px, -559.04149%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] What metrics & techniques can you use in order to evaluate the performance of clustering models? Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-8d23917d-2fb0-468a-ac64-136d3e2281f2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fd5caf9f-a6ce-43f4-b23b-92bac68f3ead","keyframes":{"transform":["translate3d(0px, -559.04149%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-86b6acb2-8a40-48ad-af9e-5130f38b81e6 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(13.360495214439528%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] What preprocessing steps are typically involved in handling unstructured data for analysis? Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-61d084c8-14f9-4e11-84fc-27d9a11ee8b9 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.812499744007886%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] [{"selector":"#anim-6ec0e761-f97b-4232-96d3-93f786c5416d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6383580f-fc80-4bc8-a092-0d3c9563ca0d","keyframes":{"transform":["translate3d(0px, -460.1709%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Explain the purpose of regularization techniques like L1 & L2 regularization in linear & logistic regression. Looking for more Data Science Interview Questions to Prepare for? Click here

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[{"selector":"#anim-8dc725ee-4c7d-4229-bfd1-a4916a1a235b","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cbe3f12d-caa2-4556-af70-e51187a63f02","keyframes":{"transform":["translate3d(0px, -559.04149%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-33af741c-cc02-47ae-b113-837d97b0a356 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(7.870197431788059%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] Looking for more Data Science Interview Questions to Prepare for? What is the main difference between L1 and L2 regularization techniques? Click here

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[{"selector":"#anim-d1d433e9-e01c-45e6-8881-1d1a967aa14b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9ca38b57-0fb0-4c1f-b6ad-e64855428470","keyframes":{"transform":["translate3d(0px, -327.95415%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-43d62e79-59c0-4457-9651-8ee5bc2744d9","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4eb80e2b-d1c1-4e92-8fae-d38678d03ba9","keyframes":{"transform":["translate3d(0px, -504.97361%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Ready to take the Next Step in your Career? Click here

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[{"selector":"#anim-430d205b-3c73-42b5-9a5b-51cac5d2a2ea","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b9cf3be0-8add-4f6a-abd2-0ff42905e58f","keyframes":{"transform":["translate3d(0px, -257.09878%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8f566f55-ae8f-4c8c-9fd4-b153e9ab1312","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-030d43e4-4bcb-45cf-89d9-5ee95183e7a4","keyframes":{"transform":["translate3d(0px, -305.55559%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Improve your Interviewing Skills with Scaler! SWIPE UP

Must-Know Questions

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