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Questions tagged [fst]

FST (or OpenFst) is a library for constructing, combining, optimizing, and searching weighted finite-state transducers (FSTs).

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Processing genind object with hierfstat, when NA in @pop

Does anyone know how to get the "basic.stats" (hierfstat), "wc" (hierfstat), and/or other hierfstat commands to work on a genind object that has NA in the @pop section? I can convert the genind to hierfstat, but the other commands are not happy with…
Neeraij
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Finete State machine visualizer

I need an application that prints/visualizes input/output pairs during the FST runs. I mean, for each state of the fst, it needs to print out a tuple that contains input for that state and output of the state. Right now I can generate fst files that…
zwlayer
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How to get input symbols from a fst model using the OpenFST python extension?

OpenFST provides a python extension. Is ist possible to read input symbols (isyms) from a compiled FST model using that API? I can't find the right property or method to do that: >>> import fst >>> f =…
Jan Holthuis
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Pass string into map_dfr to filter using tidyfst

I'm reading data stored in several fst-files using tidyfst and purrr::map_dfr. The following example works as expected. library(tidyverse) library(fst) library(tidyfst) # get all fst files in current directory files_fst <-…
mgrund
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read.fst() crashes R : workaround needed to detect corrupted file before read.fst()

This is an issue already opened on fstpackage's github, but it seems the package author is no longer actively maintaining it. Meanwhile, I need a workaround to this crash problem, which is repeatable and occurs regularly but on a small subset of my…
Lazarus Thurston
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union two FSA's with different symbol lists

I have two finite state acceptors, a.fst and b.fst. They are both unweighted, simply encoding sequences of words. Their symbol (word) lists have some overlap, but are not identical. Now I want a union of these two fst's. I think some kind of symbol…
Jiaji Huang
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How to understand this formula in Direct Construction of Minimal Acyclic Subsequential Transducers?

In this paper "Direct Construction of Minimal Acyclic Subsequential Transducers" https://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=690EBF51DD6D52AB9160723AAE3A9541?doi=10.1.1.24.3698&rep=rep1&type=pdf in Definition 3, what does !(u(r,a))…
Chen Li
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Saving and readings lubridate intervals to/from disk

I am having problems recovering lubridate::intervals when reading back from csv, and fst formats. Does anyone have a suggestion for how to do this? library(tidyverse) library(fst) library(lubridate) test <- tibble( start = ymd_hms("2020-01-01…
evidently
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There is a set of pairs (set_pairs) and I want to create a set (set_fsts) of first elements of those pairs. How can I do this in Isabelle?

There is a set of pairs (set_pairs) and I want to create a set (set_fsts) of first elements of those pairs. I am writing it in the following way definition "set_fsts = {f . p ∈ set_piars ∧ fst p = f}" but Isabelle shows me this err msg: Extra…
S2020
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Fastest way to search for a long list of patterns in a text

Given a "large" list of patterns and a "short" text, what is the best/fastest way to search/tag those patterns in the text, where we are trying to find the pattern as a substring of the text? If there are multiple matches of a pattern in a text, we…
Satarupa Guha
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Is there any downside/risk to using fst to compress a serialized list?

The fst package http://www.fstpackage.org/fst/ offers multithreaded compression and reading and writing for data frames. I'm running Bayesian models with brms that are large and slow. I want to save the results to disk for future re-use. Using…
Joshua
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Migrate lucene FST files from 5.1.0 to 8.9.0

I have files with FST's created with lucene 5.1.0. After upgrading to lucene 8.9.0 I get exception when I am trying to read FST from file: org.apache.lucene.index.IndexFormatTooOldException: Format version is not supported (resource…
Egor
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Kaldi error while running script prepare_lang.sh -- GenericRegister::GetEntry: No such file or directory

I am using Kaldi to train an acoustic model on my own dataset (following this tutorial by Eleanor Chodroff). I'm using Cygwin on Windows 10. When I run the script prepare_lang.sh that should create the files for /data/lang, it generates the…
disha
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OpenFST - creating FST's from list of words

I'm reading the top example: http://www.openfst.org/twiki/bin/view/FST/FstExamples about tokenization. In the example, they create three fsts: Mars.fst, Martian.fst, and man.fst, and manually run some fst commands to merge them into one big…
granduser
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Summary statistics on out-of-memory file

I have a csv file that's 120GB in size which is a set of numerical values grouped by categorical variables. eg. df<-as.data.frame(x=rbing(rep("BLO",100),rep("LR",100)), y=runif(200)) I would like to calculate some summary statistics using…
HCAI
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