What are outliers? How can we detect or treat them?
An outlier is a perception point far off from different perceptions. It may be because of a difference in the estimation. It can likewise demonstrate…
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Browse 123 R questions and answers from learners and industry experts. Find practical fixes, interview prep and step-by-step solutions - or ask your own.
An outlier is a perception point far off from different perceptions. It may be because of a difference in the estimation. It can likewise demonstrate…
1 Answer · 1.7K Views · Answered ✓
Learning curves provide the sign of the presence of underfitting or overfitting In a learning curve, the training error and cross-validating error…
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The histograms are meant to be bars but representing them as a continuous line makes more visual sense. Using default R graphics (i.e. without…
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stuff from the grid() package can be used to set up viewports, etc., but the simplest method is with the grid.arrange() function from the gridExtra…
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Suppose after log transformation we have following equation logy = 3.651 + 0.648*logind1 + 0.915*logind2 Now we will be doing sensitivity analysis…
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Choosing the regularisation parameter is a complicated business. If the value of λ is very high, it would lead to very small values of the regression…
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In spite of the fact that there are such a large number of subject alternatives in ggplot2, there doesn't give off an impression of being a choice…
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ggplot2 has a stat_function() function to superimpose a function on a plot in much the same way as curve() does. I struggled a little bit to get this…
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As it is clear with name, the Q-Q plot is a graphical plotting of the quantiles of two distributions with respect to each other. In other words we…
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ggplot does not seem to have a lag.plot equivalent we can use tail to get a lagged version a vector: tail(x,-1) But within ggplot2 aesthetics must…
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Data Science,Machine Learning,function
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To perform text analysis, we will be importing data containing reviews of restaurants. First we read the data # Importing the dataset…
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