SQL and Statistics Interview Questions - Day 7 has solved questions from basic statistics, SQL, and a case study. If there is some mistake in the answers, then do comment below. Try to add more points in the ...
Continue readingFeature selection methods in Model Building
TheDataMonk
Grand Master
Machine Learning , Statistics , Uncategorized
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Feature selection methods in Model Building When we deal with Big Data then there is a high chance of having a plethora of columns and rows in our dataset. Selecting a group of columns is the crux of ...
Continue readingBest Fit Line in Linear Regression
TheDataMonk
Grand Master
Basic Data Science Concept , Machine Learning , Statistics , Uncategorized
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Best Fit Line in Linear RegressionThe best fit line in linear regression is the one which tries to minimize the Residual sum of squares.It is the line which is supposed to give the best predictions on the unseen ...
Continue readingRegression Line vs Line of Best Fit
TheDataMonk
Grand Master
Basic Data Science Concept , Machine Learning , Statistics , Uncategorized
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Regression Line vs Line of Best Fit,understand the difference between the two concepts of Linear RegressionRegression Line vs Line of Best Fit The regression line (curve) consists of the expected values of a variable ...
Continue readingData Science Model with high accuracy in training dataset but low in testing dataset
TheDataMonk
Grand Master
Machine Learning , Statistics , Uncategorized
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What do you mean when I say “The model has high accuracy in Training dataset but low in testing dataset"Data Science model interview question Answer by Swapnil
Continue readingMissing Value Treatment by mean, mode, median, and KNN Imputation | Day 5
TheDataMonk
Grand Master
Machine Learning , Statistics , Uncategorized
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Missing Value Treatment by mean, mode, median, and KNN ImputationOne of the most important technique in any Data Science model is to replace missing values with some numbers/values.We can't afford to remove the rows with missing values as ...
Continue readingExplain type 2 error in simple terms
Type 2 error in simple termsConfusion Matrix is one of those concepts which is a bit confusing but is also asked to candidates in order to check their clarity of concepts.There could be questions like,"Explain a model which ...
Continue readingP-value in Linear Regression
TheDataMonk
Grand Master
Machine Learning , Statistics
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P-value in Linear RegressionSuppose a child in the family goes to the school daily and one day, his teacher writes to his mother in the school diary that your son is very naughty and he was found fighting ...
Continue readingStatistics Data Science Interview Questions | Day 38
TheDataMonk
Grand Master
Statistics
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Day 38 - Statistics Data Science Interview QuestionsWe will look after at 100+ most asked Statistics Data Science Interview Questions
Continue readingLinear Regression Interview Questions
TheDataMonk
Grand Master
Machine Learning , Statistics
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Today is Day 19 and we will clear all the Interview Questions related to Linear Regression. Linear Regression Interview Questions is the first part of the three days series. All the questions of today will revolve around the ...
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