simplicial_set_union | R Documentation |

Combine two similarity graphs by treating them as fuzzy topological sets and forming the union.

```
simplicial_set_union(x, y, n_threads = NULL, verbose = FALSE)
```

`x` |
A sparse matrix representing the first similarity graph in the union operation. |

`y` |
A sparse matrix representing the second similarity graph in the union operation. |

`n_threads` |
Number of threads to use when resetting the local metric. Default is half the number of concurrent threads supported by the system. |

`verbose` |
If |

A sparse matrix containing the union of `x`

and `y`

.

```
# Form two different "views" of the same data
iris30 <- iris[c(1:10, 51:60, 101:110), ]
iris_sg12 <- similarity_graph(iris30[, 1:2], n_neighbors = 5)
iris_sg34 <- similarity_graph(iris30[, 3:4], n_neighbors = 5)
# Combine the two representations into one
iris_combined <- simplicial_set_union(iris_sg12, iris_sg34)
# Optimize the layout based on the combined view
iris_combined_umap <- optimize_graph_layout(iris_combined, n_epochs = 100)
```

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