rapidsai / cudf

cuDF - GPU DataFrame Library
https://docs.rapids.ai/api/cudf/stable/
Apache License 2.0
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[BUG] cudf.from_pandas nan_as_null parameter is documented, but not present #5206

Closed okdimok closed 4 years ago

okdimok commented 4 years ago

Bug description In the latest version of cufd.from_pandas documentation, it is stated that this function has the second parameter nan_as_null = True. However, in reality it does not.

Steps/Code to reproduce bug

import pandas as pd
import numpy as np
import cudf

print(cudf.__version__) # 0.14.0a+4705.gb985381

a = np.arange(3., dtype='float32')
a[0] = np.nan

pdf = pd.DataFrame({'a':a})
print(pdf)

#     a
# 0  NaN
# 1  1.0
# 2  2.0

cdf = cudf.from_pandas(pdf)
print (cdf)

#       a
# 0  null
# 1   1.0
# 2   2.0

ncdf = cudf.from_pandas(pdf, False)

The last line produces error

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
 in 
     20 print(cdf)
     21 
---> 22 ncdf = cudf.from_pandas(pdf, False)

TypeError: from_pandas() takes 1 positional argument but 2 were given

Expected behavior I would expect this flag to be present in this function, and also be able to control NaN → null conversion during df creation from python dict.

Environment overview (please complete the following information) docker pull rapidsai/rapidsai-nightly:0.14-cuda10.1-base-ubuntu18.04-py3.7 docker run -p 8888:8888 rapidsai/rapidsai-nightly:0.14-cuda10.1-base-ubuntu18.04-py3.7

Environment details

Click here to see environment details

     **git***
     Not inside a git repository

     ***OS Information***
     DISTRIB_ID=Ubuntu
     DISTRIB_RELEASE=18.04
     DISTRIB_CODENAME=bionic
     DISTRIB_DESCRIPTION="Ubuntu 18.04.3 LTS"
     NAME="Ubuntu"
     VERSION="18.04.3 LTS (Bionic Beaver)"
     ID=ubuntu
     ID_LIKE=debian
     PRETTY_NAME="Ubuntu 18.04.3 LTS"
     VERSION_ID="18.04"
     HOME_URL="https://www.ubuntu.com/"
     SUPPORT_URL="https://help.ubuntu.com/"
     BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
     PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
     VERSION_CODENAME=bionic
     UBUNTU_CODENAME=bionic
     Linux e1819dbd408c 5.3.0-45-generic #37~18.04.1-Ubuntu SMP Fri Mar 27 15:58:10 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

     ***GPU Information***
     Fri May 15 13:37:23 2020
     +-----------------------------------------------------------------------------+
     | NVIDIA-SMI 440.64.00    Driver Version: 440.64.00    CUDA Version: 10.2     |
     |-------------------------------+----------------------+----------------------+
     | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
     | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
     |===============================+======================+======================|
     |   0  Quadro P6000        On   | 00000000:03:00.0 Off |                  Off |
     | 26%   30C    P8     9W / 250W |    144MiB / 24447MiB |      0%      Default |
     +-------------------------------+----------------------+----------------------+
     |   1  Quadro GV100        On   | 00000000:04:00.0 Off |                  Off |
     | 29%   34C    P2    23W / 250W |      0MiB / 32508MiB |      0%      Default |
     +-------------------------------+----------------------+----------------------+

     +-----------------------------------------------------------------------------+
     | Processes:                                                       GPU Memory |
     |  GPU       PID   Type   Process name                             Usage      |
     |=============================================================================|
     +-----------------------------------------------------------------------------+

     ***CPU***
     Architecture:        x86_64
     CPU op-mode(s):      32-bit, 64-bit
     Byte Order:          Little Endian
     CPU(s):              4
     On-line CPU(s) list: 0-3
     Thread(s) per core:  1
     Core(s) per socket:  4
     Socket(s):           1
     NUMA node(s):        1
     Vendor ID:           GenuineIntel
     CPU family:          6
     Model:               45
     Model name:          Intel(R) Xeon(R) CPU E5-2603 0 @ 1.80GHz
     Stepping:            7
     CPU MHz:             1786.567
     CPU max MHz:         1800.0000
     CPU min MHz:         1200.0000
     BogoMIPS:            3613.14
     Virtualization:      VT-x
     L1d cache:           32K
     L1i cache:           32K
     L2 cache:            256K
     L3 cache:            10240K
     NUMA node0 CPU(s):   0-3
     Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm epb pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid xsaveopt dtherm arat pln pts md_clear flush_l1d

     ***CMake***

     ***g++***

     ***nvcc***

     ***Python***
     /opt/conda/envs/rapids/bin/python
     Python 3.7.6

     ***Environment Variables***
     PATH                            : /opt/conda/envs/rapids/bin:/opt/conda/condabin:/root/.vscode-server/bin/5763d909d5f12fe19f215cbfdd29a91c0fa9208a/bin:/usr/local/nvidia/bin:/usr/local/cuda/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/conda/bin:/conda/bin
     LD_LIBRARY_PATH                 : /opt/conda/envs/rapids/lib:/usr/local/nvidia/lib:/usr/local/nvidia/lib64:/usr/local/cuda/lib64:/usr/local/lib
     NUMBAPRO_NVVM                   :
     NUMBAPRO_LIBDEVICE              :
     CONDA_PREFIX                    : /opt/conda/envs/rapids
     PYTHON_PATH                     :

     ***conda packages***
     /opt/conda/condabin/conda
     # packages in environment at /opt/conda/envs/rapids:
     #
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     cudatoolkit               10.1.243             h6bb024c_0    nvidia
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     dask-cudf                 0.14.0a200515         py37_4705    rapidsai-nightly
     dask-xgboost              0.2.0.dev28      cuda10.1py36_0    rapidsai
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     liblapack                 3.8.0               14_openblas    conda-forge
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     libxgboost                1.0.2dev.rapidsai0.13      cuda10.1_6    rapidsai
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     uriparser                 0.9.3                he1b5a44_1    conda-forge
     urllib3                   1.25.9                     py_0    conda-forge
     wcwidth                   0.1.9              pyh9f0ad1d_0    conda-forge
     webencodings              0.5.1                      py_1    conda-forge
     websockets                8.1              py37h8f50634_1    conda-forge
     wheel                     0.34.2                     py_1    conda-forge
     xarray                    0.15.1                     py_0    conda-forge
     xerces-c                  3.2.2             h8412b87_1004    conda-forge
     xgboost                   1.0.2dev.rapidsai0.13  cuda10.1py37_6    rapidsai
     xorg-kbproto              1.0.7             h14c3975_1002    conda-forge
     xorg-libice               1.0.10               h516909a_0    conda-forge
     xorg-libsm                1.2.3             h84519dc_1000    conda-forge
     xorg-libx11               1.6.9                h516909a_0    conda-forge
     xorg-libxau               1.0.9                h14c3975_0    conda-forge
     xorg-libxdmcp             1.1.3                h516909a_0    conda-forge
     xorg-libxext              1.3.4                h516909a_0    conda-forge
     xorg-libxrender           0.9.10            h516909a_1002    conda-forge
     xorg-renderproto          0.11.1            h14c3975_1002    conda-forge
     xorg-xextproto            7.3.0             h14c3975_1002    conda-forge
     xorg-xproto               7.0.31            h14c3975_1007    conda-forge
     xz                        5.2.5                h516909a_0    conda-forge
     yaml                      0.2.4                h516909a_0    conda-forge
     yarl                      1.3.0           py37h516909a_1000    conda-forge
     zeromq                    4.3.2                he1b5a44_2    conda-forge
     zict                      2.0.0                      py_0    conda-forge
     zipp                      3.1.0                      py_0    conda-forge
     zlib                      1.2.11            h516909a_1006    conda-forge
     zstd                      1.4.3                h3b9ef0a_0    conda-forge

rgsl888prabhu commented 4 years ago

@okdimok the doc should have been cudf.DataFrame.from_pandas, thank you for raising issue.