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Forecasting problem - Predict daily sku level sales
Bias is error due to overly simplistic assumptions, variance is error due to overly complex models.
Bias is the error introduced by approximating a real-world problem, leading to underfitting.
Variance is the error introduced by modeling the noise in the training data, leading to overfitting.
High bias can cause a model to miss relevant relationships between features and target variable.
High variance can cause a model to ...
Parametric models make strong assumptions about the form of the underlying data distribution, while non-parametric models do not.
Parametric models have a fixed number of parameters, while non-parametric models have a flexible number of parameters.
Parametric models are simpler and easier to interpret, while non-parametric models are more flexible and can capture complex patterns in data.
Examples of parametric models inc...
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PCA is a dimensionality reduction technique, decision tree is a classification algorithm, and computer vision is a field of study focused on enabling computers to interpret and understand visual information.
PCA is used to reduce the number of variables in a dataset while retaining the most important information.
Decision trees are used to classify data based on a set of rules and conditions.
Computer vision involves usin...
I applied via Company Website and was interviewed before Jan 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Sep 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Mar 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed before Mar 2021. There was 1 interview round.
Diffie-Hellman algorithm is a key exchange protocol used to securely exchange cryptographic keys over a public channel.
It is based on the concept of discrete logarithm problem.
It involves two parties, Alice and Bob, who generate their own private and public keys.
The public keys are exchanged and used to generate a shared secret key.
The shared secret key is used for encryption and decryption of messages.
It is widely use...
I applied via Job Portal and was interviewed in Jan 2021. There were 3 interview rounds.
posted on 10 Mar 2024
I applied via Recruitment Consulltant and was interviewed before Mar 2023. There were 2 interview rounds.
I was given a EDA problem with a not-so-perfect dataset. The dataset had data quality issues. The task was to explore the data set and answer some of the questions based on it.
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