Home » Data Science » Machine Learning » Estimate P(T > 2 | T >= 2)P(T>2∣T>=2) from the following dataset: Q: Practice More Questions From: Survival Models and Time Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 2000+ Qs Machine Learning 1000+ Qs Created with Fabric.js 4.6.0 Similar Questions Compute S(5) given the following dataset using the Kaplan Meier estimate (note, it's the same dataset as in the previous question).Compute the probability of surviving up to 4 years S(4)S(4) given the following dataset using the Kaplan Meier estimate:True or False: If t is larger than the longest survival time recorded in the dataset, then S(t) = 0S(t)=0 according to the Kaplan-Meier estimate.Using the Nelson-Aalen estimator estimate H(7), the value of the cumulative hazard at t=7 for this dataset.You are working with the ToothGrowth dataset. You want to use the glimpse() function to get a quick summary of the dataset. Write the code chunk that will give you this summary. How many…You are working with the ToothGrowth dataset. You want to use the head() function to get a preview of the dataset. Write the code chunk that will give you this preview.head(ToothGrowth)What…You are working with the ToothGrowth dataset. You want to use the skim_without_charts() function to get a comprehensive view of the dataset. Write the code chunk that will give you this view.…You train the random forest pictured below and it gets a c-index of 0.90. After shuffling the values for x, your dataset is the following. What is the variable importance for x?You are working with the penguins dataset. You want to use the summarize() and max() functions to find the maximum value for the variable flipper_length_mm. You write the following…You find that your training set has 70% negative examples and 30% positive. Which of the following techniques will NOT help for training this imbalanced dataset?A data analyst writes the following code chunk to return a statistical summary of their dataset: quartet %>% group_by(set) %>% summarize(mean(x), sd(x), mean(y), sd(y), cor(x, y)) Which…You are working with the penguins dataset. You want to use the summarize() and min() functions to find the minimum value for the variable bill_depth_mm. You write the following code:penguins…You are working with the penguins dataset. You want to use the summarize() and mean() functions to find the mean value for the variable body_mass_g. You write the following code:penguins…An X-ray classification model is developed on data from US hospitals and is later tested on an external dataset from Latin America. Which if the following do you expect?You are working with the penguins dataset. You create a scatterplot with the following code:ggplot(data = penguins) +geom_point(mapping = aes(x = flipper_length_mm, y = body_mass_g))You want… Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 200+ Qs Machine Learning 100+ Qs
