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Autocorrelation is a statistical concept that measures the relationship between a variable's current value and its past values.
Autocorrelation is the correlation of a signal with a delayed copy of itself.
It is used to detect patterns or trends in time series data.
Positive autocorrelation indicates a positive relationship between current and past values, while negative autocorrelation indicates a negative relationship.
F...
Linear regression assumptions include linearity, independence, homoscedasticity, and normality.
Assumption of linearity: The relationship between the independent and dependent variables is linear.
Assumption of independence: The residuals are independent of each other.
Assumption of homoscedasticity: The variance of the residuals is constant across all levels of the independent variables.
Assumption of normality: The resid...
P value is a measure used in hypothesis testing to determine the significance of the results.
P value is the probability of obtaining results at least as extreme as the observed results, assuming the null hypothesis is true.
A small P value (typically ≤ 0.05) indicates strong evidence against the null hypothesis, leading to its rejection.
A large P value (> 0.05) suggests weak evidence against the null hypothesis, lead...
I was interviewed in Dec 2024.
Methods for evaluating machine learning models include accuracy, precision, recall, F1 score, ROC curve, and confusion matrix.
Accuracy: measures the proportion of correct predictions out of the total predictions made by the model.
Precision: measures the proportion of true positive predictions out of all positive predictions made by the model.
Recall: measures the proportion of true positive predictions out of all actual...
Standard deviation is a measure of the amount of variation or dispersion of a set of values.
Standard deviation is calculated as the square root of the variance.
It indicates how spread out the values in a data set are around the mean.
A low standard deviation means the values are close to the mean, while a high standard deviation means the values are more spread out.
For example, in a data set of test scores, a high stand...
I applied via Naukri.com and was interviewed before Sep 2019. There were 3 interview rounds.
I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.
The T-code used in procurement to pay in the P2P cycle is ME21N.
ME21N is used in SAP for creating purchase orders in the procurement process.
It is part of the procure-to-pay (P2P) cycle where goods or services are ordered and payment is made.
ME21N allows users to input vendor information, material details, quantities, and pricing for the purchase order.
I applied via Job Fair and was interviewed before Dec 2023. There was 1 interview round.
I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.
Experienced in conducting thorough data analysis to identify trends and insights
Skilled in creating reports and presentations to communicate findings to stakeholders
Proficient in using analytical tools such as Excel, SQL, and Tableau
I applied via Naukri.com and was interviewed before Apr 2023. There were 4 interview rounds.
I applied via Referral and was interviewed in Apr 2023. There were 2 interview rounds.
I applied via Approached by Company and was interviewed before Sep 2022. There were 4 interview rounds.
Calculating a scheme involves determining the parameters and formulas used to allocate benefits or rewards.
Identify the key parameters of the scheme, such as performance metrics, eligibility criteria, and reward structure.
Determine the formula or method used to calculate the benefits or rewards based on the parameters.
Consider any variables or factors that may impact the calculation, such as bonuses, penalties, or adju...
Product launch can be done through various strategies like social media campaigns, influencer partnerships, and traditional advertising.
Utilize social media platforms to create buzz and engage with potential customers
Collaborate with influencers to reach a wider audience and gain credibility
Implement traditional advertising methods such as TV commercials, print ads, and billboards
Organize launch events or promotions to...
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