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Hello,
The following error arises when I attempt to convert do.call output from TDA::ripsDiag using phutil::as_persistence. A similar error does not arise when using output from the ripserr::vietoris_rips package, so I expected TDA::rispDiag output to convert in the same way.
Here is the error below.
library(TDA)
library(phutil)
X <- matrix(rnorm(20), ncol = 2)
do.call(ripsDiag, c(list(X = X, maxdimension = 2, maxscale = 10))) |> as_persistence()
#> Error in if (filt_nm == "rips") {: argument is of length zero
Expected behavior with ripserr::vietoris_rips.
library(ripserr)
library(phutil)
X <- matrix(rnorm(20), ncol = 2)
do.call(vietoris_rips, c(list(dataset = X))) |> as_persistence()
#>
#> ── Persistence Data ────────────────────────────────────────────────────────────
#> ℹ There are 10 and 1 pairs in dimensions 0 and 1 respectively.
#> ℹ Computed from a Vietoris-Rips/Cubical filtration using `ripserr::<vietoris_rips/cubical>()`.
#> ! With unknown parameters.
Here is my version of R.
platform aarch64-apple-darwin20
arch aarch64
os darwin20
system aarch64, darwin20
status
major 4
minor 5.1
year 2025
month 06
day 13
svn rev 88306
language R
version.string R version 4.5.1 (2025-06-13)
nickname Great Square Root
Thank you,
Robert Ryan
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