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| library(NMF) | |
| # random non-negative matrix | |
| v <- rmatrix(20, 10) | |
| # fit an NMF model | |
| x <- nmf(v, 5) | |
| # decomposition components | |
| x@fit@W | |
| x@fit@H |
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| library(ggplot2) | |
| library(dplyr) | |
| library(ggbeeswarm) | |
| cities <- c( | |
| "Portland", "New York City", "Chicago", "Detroit", | |
| "New Haven", "Boston", "Philadelphia", "St. Louis" | |
| ) | |
| slice_data <- tibble( |