之前一直想装DCA，出现各种问题，主要是tensorflow版本和keras版本不对应的问题，成功安装的步骤记录如下：
首先创建DCA环境
conda create -n DCA python==3.6.10
安装DCA
conda install -c bioconda dca
另外可以测试是否导入出现问题，使用下面代码
from dca.api import dca
这时会发现提示错误，没有安装tensorflow, 这里就涉及到一个tensorflow的版本问题，我尝试过tf=2.2.0和tf=2.6.2都会发生错误，最终的tensorflow版本和keras版本是
pip install tensorflow==2.4.0
pip install keras==2.4.3
这个是没有问题的，但是我当时好像调整过numpy的版本
pip install numpy==1.18
pip install scipy==1.1.0
然后需要安装一些额外的包
pip install rpy2==3.4.2
然后创建kernel即可
conda activate DCA
pip install ipykernel
python -m ipykernel install --name dca --user
另外我的环境如下
pip list
absl-py (0.15.0)
anndata (0.6.22.post1)
annoy (1.17.0)
appnope (0.1.3)
astor (0.8.1)
astunparse (1.6.3)
backcall (0.2.0)
backports.zoneinfo (0.2.1)
cached-property (1.5.2)
cachetools (4.2.4)
certifi (2021.10.8)
cffi (1.15.0)
charset-normalizer (2.0.12)
clang (5.0)
cloudpickle (0.4.0)
cycler (0.10.0)
dataclasses (0.8)
DCA (0.3.4)
decorator (4.1.2)
entrypoints (0.4)
flatbuffers (1.12)
future (0.16.0)
gast (0.3.3)
google-auth (1.35.0)
google-auth-oauthlib (0.4.6)
google-pasta (0.2.0)
grpcio (1.32.0)
h5py (2.10.0)
hyperopt (0.2.2)
idna (3.3)
importlib-metadata (4.8.3)
importlib-resources (5.4.0)
ipykernel (5.5.6)
ipython (7.16.3)
ipython-genutils (0.2.0)
jedi (0.17.2)
Jinja2 (3.0.3)
jupyter-client (7.1.2)
jupyter-core (4.9.2)
Keras (2.4.3)
Keras-Applications (1.0.8)
Keras-Preprocessing (1.1.2)
kiwisolver (1.3.1)
kopt (0.1.0)
llvmlite (0.20.0)
louvain (0.7.0)
Markdown (3.3.6)
MarkupSafe (2.0.1)
matplotlib (3.1.0)
natsort (5.1.0)
nest-asyncio (1.5.5)
networkx (1.11)
numba (0.35.0)
numexpr (2.6.2)
numpy (1.19.5)
oauthlib (3.2.0)
opt-einsum (3.3.0)
pandas (0.24.2)
parso (0.7.1)
patsy (0.4.1)
pexpect (4.8.0)
pickleshare (0.7.5)
pip (9.0.1)
prompt-toolkit (3.0.29)
protobuf (3.19.4)
ptyprocess (0.7.0)
pyasn1 (0.4.8)
pyasn1-modules (0.2.8)
pycparser (2.21)
Pygments (2.12.0)
pymongo (3.4.0)
pyparsing (2.2.0)
python-dateutil (2.6.1)
python-igraph (0.7.1.post6)
pytz (2017.2)
pytz-deprecation-shim (0.1.0.post0)
PyYAML (3.12)
pyzmq (22.3.0)
requests (2.27.1)
requests-oauthlib (1.3.1)
rpy2 (3.4.2)
rsa (4.8)
scanorama (1.7.1)
scanpy (1.4.2)
scikit-learn (0.19.0)
scipy (1.1.0)
seaborn (0.8)
setuptools (59.6.0)
six (1.15.0)
statsmodels (0.8.0)
tables (3.4.2)
tensorboard (2.6.0)
tensorboard-data-server (0.6.1)
tensorboard-plugin-wit (1.8.1)
tensorflow (2.4.0)
tensorflow-estimator (2.4.0)
termcolor (1.1.0)
tornado (4.5.2)
tqdm (4.7.2)
traitlets (4.3.3)
typing-extensions (3.7.4.3)
tzdata (2022.1)
tzlocal (4.2)
urllib3 (1.26.9)
wcwidth (0.2.5)
Werkzeug (2.0.3)
wheel (0.37.1)
wrapt (1.12.1)
zipp (3.6.0)
conda list
# packages in environment at /Users/xiaokangyu/opt/anaconda3/envs/DCA:
#
# Name Version Build Channel
absl-py 0.15.0 pypi_0 pypi
anndata 0.6.22.post1 py_0 bioconda
appnope 0.1.3 pypi_0 pypi
astor 0.8.1 pypi_0 pypi
astunparse 1.6.3 pypi_0 pypi
backcall 0.2.0 pypi_0 pypi
backports-zoneinfo 0.2.1 pypi_0 pypi
blas 1.0 mkl https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
ca-certificates 2021.10.8 h033912b_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
cached-property 1.5.2 pypi_0 pypi
cachetools 4.2.4 pypi_0 pypi
certifi 2016.2.28 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
cffi 1.15.0 pypi_0 pypi
clang 5.0 pypi_0 pypi
cloudpickle 0.4.0 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
cycler 0.10.0 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
dataclasses 0.8 pypi_0 pypi
dca 0.3.4 pyhdfd78af_0 bioconda
decorator 4.1.2 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
entrypoints 0.4 pypi_0 pypi
flatbuffers 1.12 pypi_0 pypi
freetype 2.10.4 h4cff582_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
future 0.16.0 py36_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
gast 0.3.3 pypi_0 pypi
google-auth 1.35.0 pypi_0 pypi
google-auth-oauthlib 0.4.6 pypi_0 pypi
google-pasta 0.2.0 pypi_0 pypi
grpcio 1.32.0 pypi_0 pypi
h5py 2.10.0 pypi_0 pypi
hdf5 1.8.17 2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
hyperopt 0.2.2 py_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
importlib-metadata 4.8.3 pypi_0 pypi
importlib-resources 5.4.0 pypi_0 pypi
ipykernel 5.5.6 pypi_0 pypi
ipython 7.16.3 pypi_0 pypi
ipython-genutils 0.2.0 pypi_0 pypi
jedi 0.17.2 pypi_0 pypi
jinja2 3.0.3 pypi_0 pypi
jupyter-client 7.1.2 pypi_0 pypi
jupyter-core 4.9.2 pypi_0 pypi
keras 2.4.3 pypi_0 pypi
keras-applications 1.0.8 pypi_0 pypi
keras-preprocessing 1.1.2 pypi_0 pypi
kiwisolver 1.3.1 py36hc61eee1_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
kopt 0.1.0 pyh145b6a8_2 bioconda
libcxx 13.0.1 hc203e6f_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
libffi 3.2.1 1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
libpng 1.6.37 h7cec526_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
llvmlite 0.20.0 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
louvain 0.7.0 py36h22858aa_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
markdown 3.3.6 pypi_0 pypi
markupsafe 2.0.1 pypi_0 pypi
matplotlib 3.1.0 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
matplotlib-base 3.1.0 py36habd5b94_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
mkl 2017.0.3 0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
natsort 5.1.0 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
ncurses 6.3 h96cf925_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
nest-asyncio 1.5.5 pypi_0 pypi
networkx 1.11 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
numba 0.35.0 np113py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
numexpr 2.6.2 np113py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
numpy 1.19.5 pypi_0 pypi
oauthlib 3.2.0 pypi_0 pypi
openssl 1.1.1n h6c3fc93_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
opt-einsum 3.3.0 pypi_0 pypi
pandas 0.24.2 py36h0a44026_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
parso 0.7.1 pypi_0 pypi
patsy 0.4.1 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
pexpect 4.8.0 pypi_0 pypi
pickleshare 0.7.5 pypi_0 pypi
pip 9.0.1 py36_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
prompt-toolkit 3.0.29 pypi_0 pypi
protobuf 3.19.4 pypi_0 pypi
ptyprocess 0.7.0 pypi_0 pypi
pyasn1 0.4.8 pypi_0 pypi
pyasn1-modules 0.2.8 pypi_0 pypi
pycparser 2.21 pypi_0 pypi
pygments 2.12.0 pypi_0 pypi
pymongo 3.4.0 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
pyparsing 2.2.0 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
pytables 3.4.2 np113py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
python 3.6.10 h4334963_1011_cpython https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
python-dateutil 2.6.1 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
python-igraph 0.7.1.post6 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
python_abi 3.6 2_cp36m https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
pytz 2017.2 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
pytz-deprecation-shim 0.1.0.post0 pypi_0 pypi
pyyaml 3.12 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
pyzmq 22.3.0 pypi_0 pypi
readline 8.1 h05e3726_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
requests-oauthlib 1.3.1 pypi_0 pypi
rpy2 3.4.2 pypi_0 pypi
rsa 4.8 pypi_0 pypi
scanpy 1.4.2 py_0 bioconda
scikit-learn 0.19.0 np113py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
scipy 1.1.0 pypi_0 pypi
seaborn 0.8 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
setuptools 59.6.0 pypi_0 pypi
six 1.15.0 pypi_0 pypi
sqlite 3.36.0 h23a322b_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
statsmodels 0.8.0 np113py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
tensorboard 2.6.0 pypi_0 pypi
tensorboard-data-server 0.6.1 pypi_0 pypi
tensorboard-plugin-wit 1.8.1 pypi_0 pypi
tensorflow 2.4.0 pypi_0 pypi
tensorflow-estimator 2.4.0 pypi_0 pypi
termcolor 1.1.0 pypi_0 pypi
tk 8.6.11 h5dbffcc_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
tornado 4.5.2 py36_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
tqdm 4.7.2 py36_0 bioconda
traitlets 4.3.3 pypi_0 pypi
typing-extensions 3.7.4.3 pypi_0 pypi
tzdata 2022.1 pypi_0 pypi
tzlocal 4.2 pypi_0 pypi
wcwidth 0.2.5 pypi_0 pypi
werkzeug 2.0.3 pypi_0 pypi
wheel 0.37.1 pypi_0 pypi
wrapt 1.12.1 pypi_0 pypi
xz 5.2.5 haf1e3a3_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
yaml 0.1.6 0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
zipp 3.6.0 pypi_0 pypi
zlib 1.2.11 0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
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