ml_corr
From sparklyr v0.9.1
by Javier Luraschi
Compute correlation matrix
Compute correlation matrix
Usage
ml_corr(x, columns = NULL, method = c("pearson", "spearman"))Arguments
- x
A
tbl_spark.- columns
The names of the columns to calculate correlations of. If only one column is specified, it must be a vector column (for example, assembled using
ft_vector_assember()).- method
The method to use, either
"pearson"or"spearman".
Value
A correlation matrix organized as a data frame.
Examples
# NOT RUN {
sc <- spark_connect(master = "local")
iris_tbl <- sdf_copy_to(sc, iris, name = "iris_tbl", overwrite = TRUE)
features <- c("Petal_Width", "Petal_Length", "Sepal_Length", "Sepal_Width")
ml_corr(iris_tbl, columns = features , method = "pearson")
# }
Community examples
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