# \#matplotlib **URL:** https://forum.qiime2.org/tag/matplotlib/19.md [Latest](https://forum.qiime2.org/latest.md) · [Categories](https://forum.qiime2.org/categories.md) · [Tags](https://forum.qiime2.org/tags.md) --- ## [Nice-looking PCoA with ellipsoid in Python](https://forum.qiime2.org/t/nice-looking-pcoa-with-ellipsoid-in-python/25102)
**Author:** [@kam](https://forum.qiime2.org/u/kam)\ **Replies:** 4\ **Last updated:** [January 1, 2023, 5:16pm UTC](https://forum.qiime2.org/t/nice-looking-pcoa-with-ellipsoid-in-python/25102 "2023-01-01T17:16:39Z")
Hi coomunity! I have noticed there are soe topics in the forum regarding exporting PCoA results to R to generate publication-quality PCoA plots (with ellipsoids, which we often want). I wonder - can someone help me wit… --- ## [Broken heatmaps in matplotlib inside Qiime2-2020.2](https://forum.qiime2.org/t/broken-heatmaps-in-matplotlib-inside-qiime2-2020-2/14899)
**Author:** [@timanix](https://forum.qiime2.org/u/timanix)\ **Replies:** 2\ **Last updated:** [May 12, 2020, 2:52pm UTC](https://forum.qiime2.org/t/broken-heatmaps-in-matplotlib-inside-qiime2-2020-2/14899 "2020-05-12T14:52:42Z")
Hi! Looks that matplotlib in Qiime2 2020.2 is containing a matplotlib version with broken heatmaps (at least in seaborn). Here the link to the issue Heatmaps are being truncated when using with seaborn · Issue #14675 ·… --- ## [Import paired-end demultiplexed Illumina MiSeq (2x300) data](https://forum.qiime2.org/t/import-paired-end-demultiplexed-illumina-miseq-2x300-data/4697)
**Author:** [@Gidodo](https://forum.qiime2.org/u/Gidodo)\ **Replies:** 3\ **Last updated:** [June 26, 2018, 1:03pm UTC](https://forum.qiime2.org/t/import-paired-end-demultiplexed-illumina-miseq-2x300-data/4697 "2018-06-26T13:03:26Z")
I have some paired-end demultiplexed Illumina MiSeq (2x300) data that I want to import into QIIME 2. The import was successful, generating my-paired-end.qza, and using code # 1 below. Visualizing the data using code # 2… --- ## [Errors when using dada2 denoise](https://forum.qiime2.org/t/errors-when-using-dada2-denoise/3168)
**Author:** [@hongwei2017](https://forum.qiime2.org/u/hongwei2017)\ **Replies:** 7\ **Last updated:** [March 5, 2018, 11:17pm UTC](https://forum.qiime2.org/t/errors-when-using-dada2-denoise/3168 "2018-03-05T23:17:18Z")
Dear Qiime2 team, I was running the same code that worked for me before, but when I ran it recently, it kept showing me errors. Code: "qiime dada2 denoise-paired --i-demultiplexed-seqs 16S\_paired-end-demux.qza --p-tru… --- ## [Matplotlib Issues](https://forum.qiime2.org/t/matplotlib-issues/3105)
**Author:** [@Alex\_14262](https://forum.qiime2.org/u/Alex_14262)\ **Replies:** 5\ **Last updated:** [February 23, 2018, 5:46pm UTC](https://forum.qiime2.org/t/matplotlib-issues/3105 "2018-02-23T17:46:26Z")
Hi, I am running most of my commands on a headless server, and tried to run the feature-table summary commands and got this error message: Plugin error from feature-table: Invalid DISPLAY variable I have seen that ot… --- ## [Qiime2-2017.8 installation: segmentation fault](https://forum.qiime2.org/t/qiime2-2017-8-installation-segmentation-fault/1279)
**Author:** [@nir](https://forum.qiime2.org/u/nir)\ **Replies:** 13\ **Last updated:** [October 2, 2017, 9:59pm UTC](https://forum.qiime2.org/t/qiime2-2017-8-installation-segmentation-fault/1279 "2017-10-02T21:59:37Z")
hi, i installed qiime2 on a scientific linux server (with some problems relating to having a python alias and PYTHONPATH, remanents from the qiime 1.8 install). now after activating the env, when i enter "qiime --help"… --- ## [Error without a display](https://forum.qiime2.org/t/error-without-a-display/950)
**Author:** [@08-04](https://forum.qiime2.org/u/08-04)\ **Replies:** 6\ **Last updated:** [September 29, 2017, 7:31pm UTC](https://forum.qiime2.org/t/error-without-a-display/950 "2017-09-29T19:31:41Z")
I'm trying to generate these ".qzv" visualization "artifacts" on a headless system. I expected that the file would be created, regardless of the fact that the system is running headless. This was on "moving pictures" tut… --- ## [Error running DADA2](https://forum.qiime2.org/t/error-running-dada2/1301)
**Author:** [@Sirtaj-Singh](https://forum.qiime2.org/u/Sirtaj-Singh)\ **Replies:** 3\ **Last updated:** [September 23, 2017, 12:20am UTC](https://forum.qiime2.org/t/error-running-dada2/1301 "2017-09-23T00:20:21Z")
Good Afternoon! I am attempted to run the DADA2 sequence quality control steps on my data using the following code on a cluster running 2017.8. qiime dada2 denoise-paired \\ --i-demultiplexed-seqs demux-paired-end.qza… --- ## [Feature table summarize Invalid DISPLAY variable](https://forum.qiime2.org/t/feature-table-summarize-invalid-display-variable/1227)
**Author:** [@mc92](https://forum.qiime2.org/u/mc92)\ **Replies:** 2\ **Last updated:** [September 14, 2017, 4:35pm UTC](https://forum.qiime2.org/t/feature-table-summarize-invalid-display-variable/1227 "2017-09-14T16:35:25Z")
Hello, I'm trying to analize the data from one microbiome study, following the Moving Pictures tutorials steps. Everything worked fine until I reached the "FeatureTable and FeatureData summaries" step, where the followi… --- ## [Demux summarize on already demultiplexed data](https://forum.qiime2.org/t/demux-summarize-on-already-demultiplexed-data/1100)
**Author:** [@morganpuff](https://forum.qiime2.org/u/morganpuff)\ **Replies:** 1\ **Last updated:** [August 31, 2017, 1:25am UTC](https://forum.qiime2.org/t/demux-summarize-on-already-demultiplexed-data/1100 "2017-08-31T01:25:40Z")
I have paired-end data that is already demultiplexed and imported using the generic fastq commands. However, to move on to any quality filtering I have to be able to view the summary of the demultiplexing results, am I c… --- ## [PyQt-related errors](https://forum.qiime2.org/t/pyqt-related-errors/847)
**Author:** [@Gregory\_P](https://forum.qiime2.org/u/Gregory_P)\ **Replies:** 2\ **Last updated:** [July 17, 2017, 8:38pm UTC](https://forum.qiime2.org/t/pyqt-related-errors/847 "2017-07-17T20:38:02Z")
Following the installation instructions I have set up a conda environment and then installed qiime2 there. But further qiime commands then produce the following error: \>qiime --help QIIME is caching your current deploy… --- ## [Core Dumped During Visualizations](https://forum.qiime2.org/t/core-dumped-during-visualizations/669)
**Author:** [@Shawn\_Rupp](https://forum.qiime2.org/u/Shawn_Rupp)\ **Replies:** 2\ **Last updated:** [June 9, 2017, 3:40pm UTC](https://forum.qiime2.org/t/core-dumped-during-visualizations/669 "2017-06-09T15:40:52Z")
I've found that a couple of the visualization steps result in core dumped error and I haven't been able to find any kind of fix elsewhere. Here are two examples of the errors: 7588 Aborted (core dumped) qiime demux summ… --- ## [PyQT4 error when running Moving Pictures tutorial](https://forum.qiime2.org/t/pyqt4-error-when-running-moving-pictures-tutorial/517)
**Author:** [@jorvis](https://forum.qiime2.org/u/jorvis)\ **Replies:** 3\ **Last updated:** [April 26, 2017, 12:48pm UTC](https://forum.qiime2.org/t/pyqt4-error-when-running-moving-pictures-tutorial/517 "2017-04-26T12:48:15Z")
I installed a new instance of Qiime2 (2017.4) within a Docker image with this definition: ########### ## Qiime ## # Dependency: miniconda RUN wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86\_64.s… --- ## [Error in qiime feature-table summarize](https://forum.qiime2.org/t/error-in-qiime-feature-table-summarize/308)
**Author:** [@ErikaGanda](https://forum.qiime2.org/u/ErikaGanda)\ **Replies:** 4\ **Last updated:** [February 9, 2017, 1:31pm UTC](https://forum.qiime2.org/t/error-in-qiime-feature-table-summarize/308 "2017-02-09T13:31:55Z")
Good morning, When trying to summarize a merged table from 4 denoised sequence variant data I got the following error: What is this DISPLAY variable? And how can I fix it? Thank you! (qiime2) ekg43@thompson:~/SCC/Dad…