formula_model.r

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list_operations.r

data_analysis.r

vector_ops.r

matrix_calc.r

function_def.r

data_subset.r

apply_family.r

regex_extract.r

formula_model.r

environment_ops.r

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formula_model.r

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model <- lm(y ~ x1 + x2 + x1:x2, data = df)↵

predict(model, newdata = test_df, interval = "confidence")

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関連する練習問題

list_operations.r data_analysis.r vector_ops.r matrix_calc.r function_def.r data_subset.r