diff --git a/.github/workflows/build_one.yml b/.github/workflows/build_one.yml
index 0e0203905..2faa97aaf 100644
--- a/.github/workflows/build_one.yml
+++ b/.github/workflows/build_one.yml
@@ -120,7 +120,7 @@ jobs:
         git add ./doc/$DIR
         git commit -m "adding $DIR"
         git push --force "https://pyviz-developers:${{ secrets.GITHUB_TOKEN }}@github.com/holoviz-topics/examples.git" HEAD:$BRANCHNAME
-        git checkout -
+        git checkout @{-1}
     - name: clean up
       run: doit clean --clean-dep build:${{ inputs.project }}
     - name: git diff
diff --git a/t_sne_roots/anaconda-project-lock.yml b/t_sne_roots/anaconda-project-lock.yml
new file mode 100644
index 000000000..069746d8d
--- /dev/null
+++ b/t_sne_roots/anaconda-project-lock.yml
@@ -0,0 +1,594 @@
+# This is an Anaconda project lock file.
+# The lock file locks down exact versions of all your dependencies.
+#
+# In most cases, this file is automatically maintained by the `anaconda-project` command or GUI tools.
+# It's best to keep this file in revision control (such as git or svn).
+# The file is in YAML format, please see http://www.yaml.org/start.html for more.
+#
+
+#
+# Set to false to ignore locked versions.
+#
+locking_enabled: true
+
+#
+# A key goes in here for each env spec.
+#
+env_specs:
+  default:
+    locked: true
+    env_spec_hash: cecf2b0c2e778d9c24fc68215d1978b37a7f8489
+    platforms:
+    - linux-64
+    - osx-64
+    - win-64
+    packages:
+      all:
+      - argon2-cffi=21.3.0=pyhd3eb1b0_0
+      - asttokens=2.0.5=pyhd3eb1b0_0
+      - async-lru=2.0.3=pyhd8ed1ab_0
+      - backcall=0.2.0=pyhd3eb1b0_0
+      - blas=1.0=mkl
+      - bleach=4.1.0=pyhd3eb1b0_0
+      - charset-normalizer=2.0.4=pyhd3eb1b0_0
+      - cycler=0.11.0=pyhd3eb1b0_0
+      - decorator=5.1.1=pyhd3eb1b0_0
+      - defusedxml=0.7.1=pyhd3eb1b0_0
+      - executing=0.8.3=pyhd3eb1b0_0
+      - fonttools=4.25.0=pyhd3eb1b0_0
+      - importlib_metadata=6.0.0=hd3eb1b0_0
+      - importlib_resources=5.2.0=pyhd3eb1b0_1
+      - json5=0.9.6=pyhd3eb1b0_0
+      - jupyter-lsp=2.2.0=pyhd8ed1ab_0
+      - jupyterlab=4.0.3=pyhd8ed1ab_0
+      - jupyterlab_pygments=0.1.2=py_0
+      - jupyterlab_server=2.24.0=pyhd8ed1ab_0
+      - munkres=1.1.4=py_0
+      - notebook=7.0.0=pyhd8ed1ab_0
+      - pandocfilters=1.5.0=pyhd3eb1b0_0
+      - parso=0.8.3=pyhd3eb1b0_0
+      - partd=1.2.0=pyhd3eb1b0_1
+      - pickleshare=0.7.5=pyhd3eb1b0_1003
+      - pure_eval=0.2.2=pyhd3eb1b0_0
+      - pycparser=2.21=pyhd3eb1b0_0
+      - python-dateutil=2.8.2=pyhd3eb1b0_0
+      - send2trash=1.8.0=pyhd3eb1b0_1
+      - six=1.16.0=pyhd3eb1b0_1
+      - stack_data=0.2.0=pyhd3eb1b0_0
+      - tzdata=2023c=h04d1e81_0
+      - wcwidth=0.2.5=pyhd3eb1b0_0
+      unix:
+      - pexpect=4.8.0=pyhd3eb1b0_3
+      - ptyprocess=0.7.0=pyhd3eb1b0_2
+      linux-64:
+      - _libgcc_mutex=0.1=conda_forge
+      - _openmp_mutex=4.5=2_gnu
+      - abseil-cpp=20211102.0=hd4dd3e8_0
+      - anyio=3.5.0=py39h06a4308_0
+      - argon2-cffi-bindings=21.2.0=py39h7f8727e_0
+      - arrow-cpp=11.0.0=py39h613000e_0
+      - attrs=22.1.0=py39h06a4308_0
+      - aws-c-common=0.4.57=he6710b0_1
+      - aws-c-event-stream=0.1.6=h2531618_5
+      - aws-checksums=0.1.9=he6710b0_0
+      - aws-sdk-cpp=1.8.185=hce553d0_0
+      - babel=2.11.0=py39h06a4308_0
+      - beautifulsoup4=4.12.2=py39h06a4308_0
+      - bokeh=3.1.1=py39h2f386ee_0
+      - boost-cpp=1.73.0=h7f8727e_12
+      - bottleneck=1.3.5=py39h7deecbd_0
+      - brotli-bin=1.0.9=h5eee18b_7
+      - brotli=1.0.9=h5eee18b_7
+      - brotlipy=0.7.0=py39h27cfd23_1003
+      - bzip2=1.0.8=h7b6447c_0
+      - c-ares=1.19.0=h5eee18b_0
+      - ca-certificates=2023.05.30=h06a4308_0
+      - certifi=2023.7.22=py39h06a4308_0
+      - cffi=1.15.1=py39h74dc2b5_0
+      - click=8.0.4=py39h06a4308_0
+      - cloudpickle=2.2.1=py39h06a4308_0
+      - colorcet=3.0.1=py39h06a4308_0
+      - comm=0.1.2=py39h06a4308_0
+      - contourpy=1.0.5=py39hdb19cb5_0
+      - cryptography=41.0.2=py39h774aba0_0
+      - dask-core=2023.6.0=py39h06a4308_0
+      - datashader=0.15.1=py39h06a4308_0
+      - datashape=0.5.4=py39h06a4308_1
+      - debugpy=1.5.1=py39h295c915_0
+      - entrypoints=0.4=py39h06a4308_0
+      - freetype=2.12.1=h4a9f257_0
+      - fsspec=2023.4.0=py39h06a4308_0
+      - gflags=2.2.2=he6710b0_0
+      - giflib=5.2.1=h5eee18b_3
+      - glog=0.5.0=h2531618_0
+      - grpc-cpp=1.46.1=h33aed49_1
+      - holoviews=1.17.0=py39h06a4308_0
+      - icu=58.2=he6710b0_3
+      - idna=3.4=py39h06a4308_0
+      - importlib-metadata=6.0.0=py39h06a4308_0
+      - intel-openmp=2021.4.0=h06a4308_3561
+      - ipykernel=6.19.2=py39hb070fc8_0
+      - ipython=8.12.0=py39h06a4308_0
+      - jedi=0.18.1=py39h06a4308_1
+      - jinja2=3.1.2=py39h06a4308_0
+      - jpeg=9e=h5eee18b_1
+      - jsonschema=4.17.3=py39h06a4308_0
+      - jupyter_client=8.1.0=py39h06a4308_0
+      - jupyter_core=5.3.0=py39h06a4308_0
+      - jupyter_events=0.6.3=py39h06a4308_0
+      - jupyter_server=2.5.0=py39h06a4308_0
+      - jupyter_server_terminals=0.4.4=py39h06a4308_1
+      - kiwisolver=1.4.4=py39h6a678d5_0
+      - krb5=1.20.1=h568e23c_1
+      - lcms2=2.12=h3be6417_0
+      - ld_impl_linux-64=2.38=h1181459_1
+      - lerc=3.0=h295c915_0
+      - libboost=1.73.0=h28710b8_12
+      - libbrotlicommon=1.0.9=h5eee18b_7
+      - libbrotlidec=1.0.9=h5eee18b_7
+      - libbrotlienc=1.0.9=h5eee18b_7
+      - libcurl=8.1.1=h91b91d3_1
+      - libdeflate=1.17=h5eee18b_0
+      - libedit=3.1.20221030=h5eee18b_0
+      - libev=4.33=h7f8727e_1
+      - libevent=2.1.12=h8f2d780_0
+      - libffi=3.3=he6710b0_2
+      - libgcc-ng=13.1.0=he5830b7_0
+      - libgfortran-ng=7.3.0=hdf63c60_0
+      - libgomp=13.1.0=he5830b7_0
+      - libllvm14=14.0.6=hef93074_0
+      - libnghttp2=1.52.0=ha637b67_1
+      - libpng=1.6.39=h5eee18b_0
+      - libprotobuf=3.20.3=he621ea3_0
+      - libsodium=1.0.18=h7b6447c_0
+      - libssh2=1.10.0=h37d81fd_2
+      - libstdcxx-ng=13.1.0=hfd8a6a1_0
+      - libthrift=0.15.0=h0d84882_2
+      - libtiff=4.5.0=h6a678d5_2
+      - libwebp-base=1.2.4=h5eee18b_1
+      - libwebp=1.2.4=h11a3e52_1
+      - libxml2=2.10.3=hcbfbd50_0
+      - libxslt=1.1.37=h2085143_0
+      - linkify-it-py=2.0.0=py39h06a4308_0
+      - llvmlite=0.40.0=py39he621ea3_0
+      - locket=1.0.0=py39h06a4308_0
+      - lxml=4.9.2=py39h5eee18b_0
+      - lz4-c=1.9.4=h6a678d5_0
+      - markdown-it-py=2.2.0=py39h06a4308_1
+      - markdown=3.4.1=py39h06a4308_0
+      - markupsafe=2.1.1=py39h7f8727e_0
+      - matplotlib-base=3.7.1=py39h417a72b_1
+      - matplotlib-inline=0.1.6=py39h06a4308_0
+      - mdit-py-plugins=0.3.0=py39h06a4308_0
+      - mdurl=0.1.0=py39h06a4308_0
+      - mistune=0.8.4=py39h27cfd23_1000
+      - mkl-service=2.4.0=py39h7f8727e_0
+      - mkl=2021.4.0=h06a4308_640
+      - mkl_fft=1.3.1=py39hd3c417c_0
+      - mkl_random=1.2.2=py39h51133e4_0
+      - multipledispatch=0.6.0=py39h06a4308_0
+      - nbclient=0.5.13=py39h06a4308_0
+      - nbconvert=6.5.4=py39h06a4308_0
+      - nbformat=5.7.0=py39h06a4308_0
+      - ncurses=6.4=h6a678d5_0
+      - nest-asyncio=1.5.6=py39h06a4308_0
+      - notebook-shim=0.2.2=py39h06a4308_0
+      - numba=0.57.1=py39hb75a051_0
+      - numexpr=2.8.4=py39he184ba9_0
+      - numpy-base=1.24.3=py39h31eccc5_0
+      - numpy=1.24.3=py39h14f4228_0
+      - openssl=1.1.1u=h7f8727e_0
+      - orc=1.7.4=hb3bc3d3_1
+      - packaging=23.0=py39h06a4308_0
+      - pandas=1.4.4=py39h6a678d5_0
+      - panel=1.1.1=py39h06a4308_0
+      - param=1.13.0=py39h06a4308_0
+      - pillow=9.4.0=py39h6a678d5_0
+      - pip=23.2.1=py39h06a4308_0
+      - platformdirs=2.5.2=py39h06a4308_0
+      - prometheus_client=0.14.1=py39h06a4308_0
+      - prompt-toolkit=3.0.36=py39h06a4308_0
+      - psutil=5.9.0=py39h5eee18b_0
+      - pyarrow=11.0.0=py39h992f0b0_0
+      - pyct=0.5.0=py39h06a4308_0
+      - pygments=2.15.1=py39h06a4308_1
+      - pyopenssl=23.2.0=py39h06a4308_0
+      - pyparsing=3.0.9=py39h06a4308_0
+      - pyrsistent=0.18.0=py39heee7806_0
+      - pysocks=1.7.1=py39h06a4308_0
+      - python-fastjsonschema=2.16.2=py39h06a4308_0
+      - python-json-logger=2.0.7=py39h06a4308_0
+      - python=3.9.0=hdb3f193_2
+      - python_abi=3.9=2_cp39
+      - pytz=2022.7=py39h06a4308_0
+      - pyviz_comms=2.3.0=py39h06a4308_0
+      - pyyaml=6.0=py39h5eee18b_1
+      - pyzmq=25.1.0=py39h6a678d5_0
+      - re2=2022.04.01=h295c915_0
+      - readline=8.2=h5eee18b_0
+      - requests=2.31.0=py39h06a4308_0
+      - rfc3339-validator=0.1.4=py39h06a4308_0
+      - rfc3986-validator=0.1.1=py39h06a4308_0
+      - scipy=1.6.2=py39had2a1c9_1
+      - setuptools=68.0.0=py39h06a4308_0
+      - snappy=1.1.9=h295c915_0
+      - sniffio=1.2.0=py39h06a4308_1
+      - soupsieve=2.4=py39h06a4308_0
+      - sqlite=3.41.2=h5eee18b_0
+      - terminado=0.17.1=py39h06a4308_0
+      - tinycss2=1.2.1=py39h06a4308_0
+      - tk=8.6.12=h1ccaba5_0
+      - tomli=2.0.1=py39h06a4308_0
+      - toolz=0.12.0=py39h06a4308_0
+      - tornado=6.2=py39h5eee18b_0
+      - tqdm=4.65.0=py39hb070fc8_0
+      - traitlets=5.7.1=py39h06a4308_0
+      - typing-extensions=4.7.1=py39h06a4308_0
+      - typing_extensions=4.7.1=py39h06a4308_0
+      - uc-micro-py=1.0.1=py39h06a4308_0
+      - urllib3=1.26.16=py39h06a4308_0
+      - utf8proc=2.6.1=h27cfd23_0
+      - webencodings=0.5.1=py39h06a4308_1
+      - websocket-client=0.58.0=py39h06a4308_4
+      - wheel=0.38.4=py39h06a4308_0
+      - xarray=2023.6.0=py39h06a4308_0
+      - xyzservices=2022.9.0=py39h06a4308_1
+      - xz=5.4.2=h5eee18b_0
+      - yaml=0.2.5=h7b6447c_0
+      - zeromq=4.3.4=h2531618_0
+      - zipp=3.11.0=py39h06a4308_0
+      - zlib=1.2.13=h5eee18b_0
+      - zstd=1.5.5=hc292b87_0
+      osx-64:
+      - abseil-cpp=20211102.0=he9d5cce_0
+      - anyio=3.5.0=py39hecd8cb5_0
+      - appdirs=1.4.4=pyhd3eb1b0_0
+      - appnope=0.1.2=py39hecd8cb5_1001
+      - argon2-cffi-bindings=21.2.0=py39hca72f7f_0
+      - arrow-cpp=11.0.0=py39h7f74497_0
+      - attrs=22.1.0=py39hecd8cb5_0
+      - aws-c-common=0.4.57=hb1e8313_1
+      - aws-c-event-stream=0.1.6=h23ab428_5
+      - aws-checksums=0.1.9=hb1e8313_0
+      - aws-sdk-cpp=1.8.185=he271ece_0
+      - babel=2.11.0=py39hecd8cb5_0
+      - beautifulsoup4=4.12.2=py39hecd8cb5_0
+      - bokeh=3.1.1=py39h20db666_0
+      - boost-cpp=1.73.0=hca72f7f_12
+      - bottleneck=1.3.5=py39h67323c0_0
+      - brotli-bin=1.0.9=hca72f7f_7
+      - brotli=1.0.9=hca72f7f_7
+      - brotlipy=0.7.0=py39h9ed2024_1003
+      - bzip2=1.0.8=h1de35cc_0
+      - c-ares=1.19.0=h6c40b1e_0
+      - ca-certificates=2023.05.30=hecd8cb5_0
+      - certifi=2023.7.22=py39hecd8cb5_0
+      - cffi=1.15.1=py39hc55c11b_0
+      - click=8.0.4=py39hecd8cb5_0
+      - cloudpickle=2.2.1=py39hecd8cb5_0
+      - colorcet=3.0.1=py39hecd8cb5_0
+      - comm=0.1.2=py39hecd8cb5_0
+      - contourpy=1.0.5=py39haf03e11_0
+      - cryptography=41.0.2=py39h2093b18_0
+      - dask-core=2023.6.0=py39hecd8cb5_0
+      - datashader=0.15.1=py39hecd8cb5_0
+      - datashape=0.5.4=py39hecd8cb5_1
+      - debugpy=1.5.1=py39he9d5cce_0
+      - entrypoints=0.4=py39hecd8cb5_0
+      - freetype=2.12.1=hd8bbffd_0
+      - fsspec=2023.4.0=py39hecd8cb5_0
+      - gflags=2.2.2=h0a44026_0
+      - giflib=5.2.1=h6c40b1e_3
+      - glog=0.5.0=h23ab428_0
+      - grpc-cpp=1.46.1=h64d96ca_1
+      - holoviews=1.17.0=py39hecd8cb5_0
+      - icu=58.2=h0a44026_3
+      - idna=3.4=py39hecd8cb5_0
+      - importlib-metadata=6.0.0=py39hecd8cb5_0
+      - intel-openmp=2023.1.0=ha357a0b_43547
+      - ipykernel=6.19.2=py39h01d92e1_0
+      - ipython=8.12.0=py39hecd8cb5_0
+      - jedi=0.18.1=py39hecd8cb5_1
+      - jinja2=3.1.2=py39hecd8cb5_0
+      - jpeg=9e=h6c40b1e_1
+      - jsonschema=4.17.3=py39hecd8cb5_0
+      - jupyter_client=8.1.0=py39hecd8cb5_0
+      - jupyter_core=5.3.0=py39hecd8cb5_0
+      - jupyter_events=0.6.3=py39hecd8cb5_0
+      - jupyter_server=2.5.0=py39hecd8cb5_0
+      - jupyter_server_terminals=0.4.4=py39hecd8cb5_1
+      - kiwisolver=1.4.4=py39hcec6c5f_0
+      - krb5=1.20.1=hdba6334_1
+      - lcms2=2.12=hf1fd2bf_0
+      - lerc=3.0=he9d5cce_0
+      - libboost=1.73.0=h3fa6bed_12
+      - libbrotlicommon=1.0.9=hca72f7f_7
+      - libbrotlidec=1.0.9=hca72f7f_7
+      - libbrotlienc=1.0.9=hca72f7f_7
+      - libcurl=8.1.1=ha585b31_1
+      - libcxx=14.0.6=h9765a3e_0
+      - libdeflate=1.17=hb664fd8_0
+      - libedit=3.1.20221030=h6c40b1e_0
+      - libev=4.33=h9ed2024_1
+      - libevent=2.1.12=h0a4fc7d_0
+      - libffi=3.3=hb1e8313_2
+      - libgfortran5=11.3.0=h9dfd629_28
+      - libgfortran=5.0.0=11_3_0_hecd8cb5_28
+      - libiconv=1.16=hca72f7f_2
+      - libllvm14=14.0.6=he552d86_0
+      - libnghttp2=1.52.0=h1c88b7d_1
+      - libpng=1.6.39=h6c40b1e_0
+      - libprotobuf=3.20.3=hfff2838_0
+      - libsodium=1.0.18=h1de35cc_0
+      - libssh2=1.10.0=hdb2fb19_2
+      - libthrift=0.15.0=h48f73ad_2
+      - libtiff=4.5.0=hcec6c5f_2
+      - libwebp-base=1.2.4=h6c40b1e_1
+      - libwebp=1.2.4=hf6ce154_1
+      - libxml2=2.10.3=h930c0e2_0
+      - libxslt=1.1.37=h6d1eb0e_0
+      - linkify-it-py=2.0.0=py39hecd8cb5_0
+      - llvm-openmp=14.0.6=h0dcd299_0
+      - llvmlite=0.40.0=py39hfff2838_0
+      - locket=1.0.0=py39hecd8cb5_0
+      - lxml=4.9.2=py39h6c40b1e_0
+      - lz4-c=1.9.4=hcec6c5f_0
+      - markdown-it-py=2.2.0=py39hecd8cb5_1
+      - markdown=3.4.1=py39hecd8cb5_0
+      - markupsafe=2.1.1=py39hca72f7f_0
+      - matplotlib-base=3.7.1=py39hda11e5a_1
+      - matplotlib-inline=0.1.6=py39hecd8cb5_0
+      - mdit-py-plugins=0.3.0=py39hecd8cb5_0
+      - mdurl=0.1.0=py39hecd8cb5_0
+      - mistune=0.8.4=py39h9ed2024_1000
+      - mkl-service=2.4.0=py39h6c40b1e_1
+      - mkl=2023.1.0=h59209a4_43558
+      - mkl_fft=1.3.6=py39h07fba90_1
+      - mkl_random=1.2.2=py39h07fba90_1
+      - multipledispatch=0.6.0=py39hecd8cb5_0
+      - nbclient=0.5.13=py39hecd8cb5_0
+      - nbconvert=6.5.4=py39hecd8cb5_0
+      - nbformat=5.7.0=py39hecd8cb5_0
+      - ncurses=6.4=hcec6c5f_0
+      - nest-asyncio=1.5.6=py39hecd8cb5_0
+      - notebook-shim=0.2.2=py39hecd8cb5_0
+      - numba=0.57.0=py39h3ea8b11_0
+      - numexpr=2.8.4=py39h47b59a4_1
+      - numpy-base=1.24.3=py39hcfaf2c3_1
+      - numpy=1.24.3=py39h47b59a4_1
+      - openssl=1.1.1u=hca72f7f_0
+      - orc=1.7.4=h995b336_1
+      - packaging=23.0=py39hecd8cb5_0
+      - pandas=1.5.3=py39h07fba90_0
+      - panel=1.1.1=py39hecd8cb5_0
+      - param=1.13.0=py39hecd8cb5_0
+      - pillow=9.4.0=py39hcec6c5f_0
+      - pip=23.2.1=py39hecd8cb5_0
+      - platformdirs=2.5.2=py39hecd8cb5_0
+      - pooch=1.4.0=pyhd3eb1b0_0
+      - prometheus_client=0.14.1=py39hecd8cb5_0
+      - prompt-toolkit=3.0.36=py39hecd8cb5_0
+      - psutil=5.9.0=py39hca72f7f_0
+      - pyarrow=11.0.0=py39h7122ad0_0
+      - pyct=0.5.0=py39hecd8cb5_0
+      - pygments=2.15.1=py39hecd8cb5_1
+      - pyopenssl=23.2.0=py39hecd8cb5_0
+      - pyparsing=3.0.9=py39hecd8cb5_0
+      - pyrsistent=0.18.0=py39hca72f7f_0
+      - pysocks=1.7.1=py39hecd8cb5_0
+      - python-fastjsonschema=2.16.2=py39hecd8cb5_0
+      - python-json-logger=2.0.7=py39hecd8cb5_0
+      - python=3.9.0=h88f2d9e_2
+      - pytz=2022.7=py39hecd8cb5_0
+      - pyviz_comms=2.3.0=py39hecd8cb5_0
+      - pyyaml=6.0=py39h6c40b1e_1
+      - pyzmq=25.1.0=py39hcec6c5f_0
+      - re2=2022.04.01=he9d5cce_0
+      - readline=8.2=hca72f7f_0
+      - requests=2.31.0=py39hecd8cb5_0
+      - rfc3339-validator=0.1.4=py39hecd8cb5_0
+      - rfc3986-validator=0.1.1=py39hecd8cb5_0
+      - scipy=1.10.1=py39hf241641_1
+      - setuptools=68.0.0=py39hecd8cb5_0
+      - snappy=1.1.9=he9d5cce_0
+      - sniffio=1.2.0=py39hecd8cb5_1
+      - soupsieve=2.4=py39hecd8cb5_0
+      - sqlite=3.41.2=h6c40b1e_0
+      - tbb=2021.8.0=ha357a0b_0
+      - terminado=0.17.1=py39hecd8cb5_0
+      - tinycss2=1.2.1=py39hecd8cb5_0
+      - tk=8.6.12=h5d9f67b_0
+      - tomli=2.0.1=py39hecd8cb5_0
+      - toolz=0.12.0=py39hecd8cb5_0
+      - tornado=6.2=py39hca72f7f_0
+      - tqdm=4.65.0=py39h01d92e1_0
+      - traitlets=5.7.1=py39hecd8cb5_0
+      - typing-extensions=4.7.1=py39hecd8cb5_0
+      - typing_extensions=4.7.1=py39hecd8cb5_0
+      - uc-micro-py=1.0.1=py39hecd8cb5_0
+      - urllib3=1.26.16=py39hecd8cb5_0
+      - utf8proc=2.6.1=h9ed2024_0
+      - webencodings=0.5.1=py39hecd8cb5_1
+      - websocket-client=0.58.0=py39hecd8cb5_4
+      - wheel=0.38.4=py39hecd8cb5_0
+      - xarray=2023.6.0=py39hecd8cb5_0
+      - xyzservices=2022.9.0=py39hecd8cb5_1
+      - xz=5.4.2=h6c40b1e_0
+      - yaml=0.2.5=haf1e3a3_0
+      - zeromq=4.3.4=h23ab428_0
+      - zipp=3.11.0=py39hecd8cb5_0
+      - zlib=1.2.13=h4dc903c_0
+      - zstd=1.5.5=hc035e20_0
+      win-64:
+      - abseil-cpp=20211102.0=hd77b12b_0
+      - anyio=3.5.0=py39haa95532_0
+      - appdirs=1.4.4=pyhd3eb1b0_0
+      - argon2-cffi-bindings=21.2.0=py39h2bbff1b_0
+      - arrow-cpp=11.0.0=py39h3577439_0
+      - attrs=22.1.0=py39haa95532_0
+      - aws-c-common=0.4.57=ha925a31_1
+      - aws-c-event-stream=0.1.6=hd77b12b_5
+      - aws-checksums=0.1.9=ha925a31_0
+      - aws-sdk-cpp=1.8.185=hd77b12b_0
+      - babel=2.11.0=py39haa95532_0
+      - beautifulsoup4=4.12.2=py39haa95532_0
+      - bokeh=3.1.1=py39h9909e9c_0
+      - boost-cpp=1.73.0=h2bbff1b_12
+      - bottleneck=1.3.5=py39h080aedc_0
+      - brotli-bin=1.0.9=h2bbff1b_7
+      - brotli=1.0.9=h2bbff1b_7
+      - brotlipy=0.7.0=py39h2bbff1b_1003
+      - bzip2=1.0.8=he774522_0
+      - c-ares=1.19.0=h2bbff1b_0
+      - ca-certificates=2023.05.30=haa95532_0
+      - certifi=2023.7.22=py39haa95532_0
+      - cffi=1.15.1=py39h2bbff1b_3
+      - click=8.0.4=py39haa95532_0
+      - cloudpickle=2.2.1=py39haa95532_0
+      - colorama=0.4.6=py39haa95532_0
+      - colorcet=3.0.1=py39haa95532_0
+      - comm=0.1.2=py39haa95532_0
+      - contourpy=1.0.5=py39h59b6b97_0
+      - cryptography=41.0.2=py39h31511bf_0
+      - dask-core=2023.6.0=py39haa95532_0
+      - datashader=0.15.1=py39haa95532_0
+      - datashape=0.5.4=py39haa95532_1
+      - debugpy=1.5.1=py39hd77b12b_0
+      - entrypoints=0.4=py39haa95532_0
+      - freetype=2.12.1=ha860e81_0
+      - fsspec=2023.4.0=py39haa95532_0
+      - gflags=2.2.2=ha925a31_0
+      - giflib=5.2.1=h8cc25b3_3
+      - glog=0.5.0=hd77b12b_0
+      - holoviews=1.17.0=py39haa95532_0
+      - icc_rt=2022.1.0=h6049295_2
+      - idna=3.4=py39haa95532_0
+      - importlib-metadata=6.0.0=py39haa95532_0
+      - intel-openmp=2023.1.0=h59b6b97_46319
+      - ipykernel=6.19.2=py39hd4e2768_0
+      - ipython=8.12.0=py39haa95532_0
+      - jedi=0.18.1=py39haa95532_1
+      - jinja2=3.1.2=py39haa95532_0
+      - jpeg=9e=h2bbff1b_1
+      - jsonschema=4.17.3=py39haa95532_0
+      - jupyter_client=8.1.0=py39haa95532_0
+      - jupyter_core=5.3.0=py39haa95532_0
+      - jupyter_events=0.6.3=py39haa95532_0
+      - jupyter_server=2.5.0=py39haa95532_0
+      - jupyter_server_terminals=0.4.4=py39haa95532_1
+      - kiwisolver=1.4.4=py39hd77b12b_0
+      - lerc=3.0=hd77b12b_0
+      - libboost=1.73.0=h6c2663c_12
+      - libbrotlicommon=1.0.9=h2bbff1b_7
+      - libbrotlidec=1.0.9=h2bbff1b_7
+      - libbrotlienc=1.0.9=h2bbff1b_7
+      - libcurl=8.1.1=h86230a5_1
+      - libdeflate=1.17=h2bbff1b_0
+      - libevent=2.1.12=hcc03200_0
+      - libiconv=1.16=h2bbff1b_2
+      - libllvm14=14.0.6=h4157e71_3
+      - libpng=1.6.39=h8cc25b3_0
+      - libprotobuf=3.20.3=h23ce68f_0
+      - libsodium=1.0.18=h62dcd97_0
+      - libssh2=1.10.0=hcd4344a_2
+      - libthrift=0.15.0=he49ee6e_2
+      - libtiff=4.5.0=h6c2663c_2
+      - libwebp-base=1.2.4=h2bbff1b_1
+      - libwebp=1.2.4=hbc33d0d_1
+      - libxml2=2.10.3=h0ad7f3c_0
+      - libxslt=1.1.37=h2bbff1b_0
+      - linkify-it-py=2.0.0=py39haa95532_0
+      - llvmlite=0.40.0=py39hf2fb9eb_0
+      - locket=1.0.0=py39haa95532_0
+      - lxml=4.9.2=py39h2bbff1b_0
+      - lz4-c=1.9.4=h2bbff1b_0
+      - markdown-it-py=2.2.0=py39haa95532_1
+      - markdown=3.4.1=py39haa95532_0
+      - markupsafe=2.1.1=py39h2bbff1b_0
+      - matplotlib-base=3.7.1=py39hf11a4ad_1
+      - matplotlib-inline=0.1.6=py39haa95532_0
+      - mdit-py-plugins=0.3.0=py39haa95532_0
+      - mdurl=0.1.0=py39haa95532_0
+      - mistune=0.8.4=py39h2bbff1b_1000
+      - mkl-service=2.4.0=py39h2bbff1b_1
+      - mkl=2023.1.0=h8bd8f75_46356
+      - mkl_fft=1.3.6=py39hf11a4ad_1
+      - mkl_random=1.2.2=py39hf11a4ad_1
+      - multipledispatch=0.6.0=py39haa95532_0
+      - nbclient=0.5.13=py39haa95532_0
+      - nbconvert=6.5.4=py39haa95532_0
+      - nbformat=5.7.0=py39haa95532_0
+      - nest-asyncio=1.5.6=py39haa95532_0
+      - notebook-shim=0.2.2=py39haa95532_0
+      - numba=0.57.0=py39h4ed8f06_0
+      - numexpr=2.8.4=py39h7b80656_1
+      - numpy-base=1.24.3=py39h8a87ada_1
+      - numpy=1.24.3=py39h79a8e48_1
+      - openssl=1.1.1u=h2bbff1b_0
+      - orc=1.7.4=h623e30f_1
+      - packaging=23.0=py39haa95532_0
+      - pandas=1.5.3=py39hf11a4ad_0
+      - panel=1.1.1=py39haa95532_0
+      - param=1.13.0=py39haa95532_0
+      - pillow=9.4.0=py39hd77b12b_0
+      - pip=23.2.1=py39haa95532_0
+      - platformdirs=2.5.2=py39haa95532_0
+      - pooch=1.4.0=pyhd3eb1b0_0
+      - prometheus_client=0.14.1=py39haa95532_0
+      - prompt-toolkit=3.0.36=py39haa95532_0
+      - psutil=5.9.0=py39h2bbff1b_0
+      - pyarrow=11.0.0=py39haa45b5f_0
+      - pyct=0.5.0=py39haa95532_0
+      - pygments=2.15.1=py39haa95532_1
+      - pyopenssl=23.2.0=py39haa95532_0
+      - pyparsing=3.0.9=py39haa95532_0
+      - pyrsistent=0.18.0=py39h196d8e1_0
+      - pysocks=1.7.1=py39haa95532_0
+      - python-fastjsonschema=2.16.2=py39haa95532_0
+      - python-json-logger=2.0.7=py39haa95532_0
+      - python=3.9.0=h6244533_2
+      - pytz=2022.7=py39haa95532_0
+      - pyviz_comms=2.3.0=py39haa95532_0
+      - pywin32=305=py39h2bbff1b_0
+      - pywinpty=2.0.10=py39h5da7b33_0
+      - pyyaml=6.0=py39h2bbff1b_1
+      - pyzmq=25.1.0=py39hd77b12b_0
+      - re2=2022.04.01=hd77b12b_0
+      - requests=2.31.0=py39haa95532_0
+      - rfc3339-validator=0.1.4=py39haa95532_0
+      - rfc3986-validator=0.1.1=py39haa95532_0
+      - scipy=1.10.1=py39hdcfc7df_1
+      - setuptools=68.0.0=py39haa95532_0
+      - snappy=1.1.9=h6c2663c_0
+      - sniffio=1.2.0=py39haa95532_1
+      - soupsieve=2.4=py39haa95532_0
+      - sqlite=3.41.2=h2bbff1b_0
+      - tbb=2021.8.0=h59b6b97_0
+      - terminado=0.17.1=py39haa95532_0
+      - tinycss2=1.2.1=py39haa95532_0
+      - tk=8.6.12=h2bbff1b_0
+      - tomli=2.0.1=py39haa95532_0
+      - toolz=0.12.0=py39haa95532_0
+      - tornado=6.2=py39h2bbff1b_0
+      - tqdm=4.65.0=py39hd4e2768_0
+      - traitlets=5.7.1=py39haa95532_0
+      - typing-extensions=4.7.1=py39haa95532_0
+      - typing_extensions=4.7.1=py39haa95532_0
+      - uc-micro-py=1.0.1=py39haa95532_0
+      - urllib3=1.26.16=py39haa95532_0
+      - utf8proc=2.6.1=h2bbff1b_0
+      - vc=14.2=h21ff451_1
+      - vs2015_runtime=14.27.29016=h5e58377_2
+      - webencodings=0.5.1=py39haa95532_1
+      - websocket-client=0.58.0=py39haa95532_4
+      - wheel=0.38.4=py39haa95532_0
+      - win_inet_pton=1.1.0=py39haa95532_0
+      - winpty=0.4.3=4
+      - xarray=2023.6.0=py39haa95532_0
+      - xyzservices=2022.9.0=py39haa95532_1
+      - xz=5.4.2=h8cc25b3_0
+      - yaml=0.2.5=he774522_0
+      - zeromq=4.3.4=hd77b12b_0
+      - zipp=3.11.0=py39haa95532_0
+      - zlib=1.2.13=h8cc25b3_0
+      - zstd=1.5.5=hd43e919_0
diff --git a/t_sne_roots/anaconda-project.yml b/t_sne_roots/anaconda-project.yml
new file mode 100644
index 000000000..552dabc8e
--- /dev/null
+++ b/t_sne_roots/anaconda-project.yml
@@ -0,0 +1,75 @@
+name: t_sne_roots
+description: Dimensionality reduction of multi-lingual dataset with datashaded instant hover
+
+examples_config:
+  # Creation date following the YYYY-MM-DD format
+  created: 2023-07-28
+  maintainers:
+  - "jlstevens"
+  labels:
+  - "datashader"
+  - "panel"
+
+  ### OPTIONAL ###
+
+  title: "t-SNE ROOTS"
+  # Listed deployments will by default automatically be started.
+  # Maximum number of deployments is 2.
+  # Each deployment must declare the command it deploys, options
+  # include "notebook" or "dashboard".
+  deployments:
+    # Will be deployed at {projname_with_hyphens}-notebook.pyviz.demo.anaconda.com
+  - command: dashboard
+    resource_profile: medium
+    auto_deploy: false
+
+  # to build the website (e.g. too long or require too much data).
+  # This indicates the system not to run them.
+  skip_notebooks_evaluation: false
+  no_data_ingestion: false
+  gh_runner: "ubuntu-latest"
+
+
+# required: (needed internally)
+user_fields: [examples_config]
+
+# required: list of the channels needed to solve the environment
+channels:
+- defaults
+- conda-forge
+
+packages: &pkgs
+- notebook >=7
+# then list all your dependencies, including Python itself
+- python ==3.9
+- holoviews >= 1.17.0
+- datashader >= 0.15.1
+- pyarrow
+- numba >= 0.57
+
+
+dependencies: *pkgs
+
+
+commands:
+  # if you intend to run notebooks, set the `notebook` command
+  dashboard:
+    # for a deployment, the `--rest-session-info --session-history -1` options are required
+    unix: panel serve --rest-session-info --session-history -1 t_sne_roots.ipynb
+    supports_http_options: true
+
+
+# optional downloads
+downloads:
+  DATA:
+    url: https://huggingface.co/datasets/cakiki/roots-tsne-data/resolve/main/data/train-00000-of-00001-9a434d9cf7fd233e.parquet  # Keep our own copy? 
+    description: |
+      Trained data using t-SNE on ROOTS by Christopher Akiki
+    # The output must be in the data/ subfolder
+    filename: data/train-00000-of-00001-9a434d9cf7fd233e.parquet
+
+# required: supported plaforms
+platforms:
+- linux-64
+- osx-64
+- win-64
diff --git a/t_sne_roots/t_sne_roots.ipynb b/t_sne_roots/t_sne_roots.ipynb
new file mode 100644
index 000000000..e64143b09
--- /dev/null
+++ b/t_sne_roots/t_sne_roots.ipynb
@@ -0,0 +1,156 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "286d2e98-9f33-4e1e-bba4-f526360dfc59",
+   "metadata": {},
+   "source": [
+    "# Interactive t-SNE ROOTS dimensionality reduction"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "3d774823",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pandas as pd\n",
+    "import datashader as ds\n",
+    "import colorcet as cc\n",
+    "\n",
+    "import holoviews as hv\n",
+    "from holoviews.operation.datashader import datashade, rasterize, dynspread\n",
+    "import panel as pn\n",
+    "\n",
+    "pn.extension()\n",
+    "hv.extension('bokeh')"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "9deb58ad-1c26-440c-a622-80a79159102c",
+   "metadata": {},
+   "source": [
+    "\n",
+    "*Visualization of t-Distributed Stochastic Neighbor Embedding of ROOTS language Corpus.*\n",
+    "\n",
+    "Trained data from Christopher Akiki (dataset `cakiki/roots-tsne-data` on Hugging Face "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "c46d5abb-2a8c-4533-9e30-9970bf20e015",
+   "metadata": {},
+   "source": [
+    "## Load the data"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "6bf4b1c8",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "tsne_embedding = pd.read_parquet('./data/train-00000-of-00001-9a434d9cf7fd233e.parquet')\n",
+    "df = pd.DataFrame(data=tsne_embedding, columns=['x','y','language'])\n",
+    "df.head()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d56df973-74b8-44af-a80b-cda8d304b4c6",
+   "metadata": {},
+   "source": [
+    "## Datashade and add hover layer\n",
+    "\n",
+    "Note that until client-side colormixing is supported, the `datashade` operation is used with an invisible hover layer overlaid on top."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b3f9e6b7",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "points = hv.Points(df, ['x','y'], ['language'])\n",
+    "op = datashade(points, color_key=cc.glasbey_light,\n",
+    "               aggregator=ds.by('language', ds.count())).opts(show_legend=False, bgcolor='black', frame_width=600, aspect=1)\n",
+    "hover_layer = rasterize(points, selector=ds.first(\"x\"), x_sampling=2, y_sampling=2).opts(tools=[\"hover\"], alpha=0)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "5ac2a4f4-84fa-438c-b049-0a2f678c5270",
+   "metadata": {},
+   "source": [
+    "### Render"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b5f9f99b-afde-46d1-af64-b3a98a306bc5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "dynspread(op) * hover_layer"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1b2ab76e-b3f4-4c15-8295-2a1285d0ef62",
+   "metadata": {},
+   "source": [
+    "### Build a small dashboard with panel"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5bb031a1",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "text = \"\"\"\n",
+    "### Visualization of t-Distributed Stochastic Neighbor Embedding of ROOTS language Corpus. <br> Trained data from Christopher Akiki (dataset `cakiki/roots-tsne-data` on Hugging Face\n",
+    "\"\"\"\n",
+    "\n",
+    "template = pn.template.FastListTemplate(\n",
+    "    title=\"t-SNE clustering of ROOTS language corpus\"\n",
+    ")\n",
+    "\n",
+    "template.main.append(\n",
+    "    pn.Column(\n",
+    "        pn.pane.Markdown(text),\n",
+    "        pn.Row(pn.HSpacer(), dynspread(op) * hover_layer, pn.HSpacer())\n",
+    "    )\n",
+    ")\n",
+    "template.servable();"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.0"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
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