# \#pre-trained **URL:** https://forum.qiime2.org/tag/pre-trained/76.md [Latest](https://forum.qiime2.org/latest.md) · [Categories](https://forum.qiime2.org/categories.md) · [Tags](https://forum.qiime2.org/tags.md) --- ## [Looking for pre-trained SILVA 138 V4 classifier for QIIME2 2024.10](https://forum.qiime2.org/t/looking-for-pre-trained-silva-138-v4-classifier-for-qiime2-2024-10/34190)
**Author:** [@Richa](https://forum.qiime2.org/u/Richa)\ **Replies:** 7\ **Last updated:** [June 16, 2026, 8:56am UTC](https://forum.qiime2.org/t/looking-for-pre-trained-silva-138-v4-classifier-for-qiime2-2024-10/34190 "2026-06-16T08:56:57Z")
Hi everyone, I am working on 16S rRNA gene V4 region analysis using QIIME2 2024.10 on a Windows machine with WSL (16GB RAM). I am looking for a pre-trained SILVA 138 99% OTU classifier for the V4 region with the followi… --- ## [SILVA data trainign problem.](https://forum.qiime2.org/t/silva-data-trainign-problem/31212)
**Author:** [@Ahsan\_Gilman](https://forum.qiime2.org/u/Ahsan_Gilman)\ **Replies:** 2\ **Last updated:** [August 23, 2024, 4:43am UTC](https://forum.qiime2.org/t/silva-data-trainign-problem/31212 "2024-08-23T04:43:01Z")
Hi, I want to train my classifier with Silva 132.2SSU ref NR 99 dataset.i work with 16s RNA.my device can't load this large dataset.can anyone give the trained classifier.qza file? --- ## [How to customise a properly formatted feature classifier?](https://forum.qiime2.org/t/how-to-customise-a-properly-formatted-feature-classifier/28436)
**Author:** [@KonradV](https://forum.qiime2.org/u/KonradV)\ **Replies:** 2\ **Last updated:** [December 1, 2023, 5:43am UTC](https://forum.qiime2.org/t/how-to-customise-a-properly-formatted-feature-classifier/28436 "2023-12-01T05:43:07Z")
Summary: In a word, I'm trying to make my own 16s feature classifiers similar to gg2 and silva. But when I tried to import my 16s sequence library, I was informed that I cannot have sequences with the same id. This conf… --- ## [V3-V4 region, training a classifier, parameters](https://forum.qiime2.org/t/v3-v4-region-training-a-classifier-parameters/28118)
**Author:** [@kubra](https://forum.qiime2.org/u/kubra)\ **Replies:** 1\ **Last updated:** [October 31, 2023, 10:58am UTC](https://forum.qiime2.org/t/v3-v4-region-training-a-classifier-parameters/28118 "2023-10-31T10:58:26Z")
Hi, I have a ref. sequence set that consists of the full length of the 16S rRNA gene. I need to train a classifier by using a primer set: S-D-Bact-0341-b-S-17, 5′-CCTACGGGNGGCWGCAG-3′ and S-D-Bact-0785-a-A-21, 5′-GACTAC… --- ## [readytowear SILVA 138 Training Error](https://forum.qiime2.org/t/readytowear-silva-138-training-error/20527)
**Author:** [@Rainjie](https://forum.qiime2.org/u/Rainjie)\ **Replies:** 1\ **Last updated:** [August 25, 2021, 4:45am UTC](https://forum.qiime2.org/t/readytowear-silva-138-training-error/20527 "2021-08-25T04:45:14Z")
Thanks to your genius work@ Nicholas\_Bokulich（https://doi.org/10.1038/s41467-019-12669-6） I found a better way to analyze my data which is 16S rRNA sequencing Microbial DNA from mouse fecal samples(PCR amplification targ… --- ## [Error while running Taxonomy classifier](https://forum.qiime2.org/t/error-while-running-taxonomy-classifier/16993)
**Author:** [@sakshi](https://forum.qiime2.org/u/sakshi)\ **Replies:** 1\ **Last updated:** [October 12, 2020, 7:30pm UTC](https://forum.qiime2.org/t/error-while-running-taxonomy-classifier/16993 "2020-10-12T19:30:41Z")
Hello, I was trying to run the taxonomy using the pre-trained classifier. qiime feature-classifier classify-sklearn --i-reads dada2-demux-representative-seqs.qza --i-classifier silva-138-99-nb-classifier.qza --o-cla… --- ## [Taxonomy Classification Best Practices?](https://forum.qiime2.org/t/taxonomy-classification-best-practices/16566)
**Author:** [@ashamarie](https://forum.qiime2.org/u/ashamarie)\ **Replies:** 3\ **Last updated:** [September 18, 2020, 5:52pm UTC](https://forum.qiime2.org/t/taxonomy-classification-best-practices/16566 "2020-09-18T17:52:31Z")
Good morning! We have been training our feature classifier on our own data as recommended in the qiime2 docs ("taxonomic classification accuracy of 16S rRNA gene sequences improves when a Naive Bayes classifier is traine… --- ## [Memory Error using the pretrained silva 119 classifier](https://forum.qiime2.org/t/memory-error-using-the-pretrained-silva-119-classifier/2956)
**Author:** [@Vixer](https://forum.qiime2.org/u/Vixer)\ **Replies:** 6\ **Last updated:** [February 19, 2018, 3:13pm UTC](https://forum.qiime2.org/t/memory-error-using-the-pretrained-silva-119-classifier/2956 "2018-02-19T15:13:10Z")
Hello again! I´m testing my reads using the pre-trained classifier "Silva 119 99% OTUs from 515F/806R region of sequences" since my primers are seem to work with it (f: GTGCCAGCMGCCGCGGTAA & r: GGACTACVSGGGTATCTAAT) an… --- ## [Classifier for Silva 128 99% OTUs full-length sequences](https://forum.qiime2.org/t/classifier-for-silva-128-99-otus-full-length-sequences/1889)
**Author:** [@fstudart](https://forum.qiime2.org/u/fstudart)\ **Replies:** 2\ **Last updated:** [November 22, 2017, 6:09pm UTC](https://forum.qiime2.org/t/classifier-for-silva-128-99-otus-full-length-sequences/1889 "2017-11-22T18:09:41Z")
Hi Everyone, I'm not being able to create a taxonomic classifier for SILVA 128, 97% or 99% OTUs. I think I run out of memory. In Data Resources webpage, there is a link for downloading Silva 119 99% OTUs full-length se… --- ## [Plugin error from feature-classifier - Qiime2 2017.8](https://forum.qiime2.org/t/plugin-error-from-feature-classifier-qiime2-2017-8/1157)
**Author:** [@fstudart](https://forum.qiime2.org/u/fstudart)\ **Replies:** 1\ **Last updated:** [September 5, 2017, 6:04pm UTC](https://forum.qiime2.org/t/plugin-error-from-feature-classifier-qiime2-2017-8/1157 "2017-09-05T18:04:15Z")
Hi All, I'm trying to run the taxonomy analysis and I keep getting this error. I even tried to use Qiime2 virtual box image (2017.8), but I got the same error. I tried to update sciikit-learn using conda (what it seeme…