Save pandas data in Excel format to data assets with Cloud Pak for Data (Watson Studio)

How to save the file to the data asset of the analysis project using project_lib [Another article](https://qiita.com/ttsuzuku/items/eac3e4bedc020da93bc1#%E3%83%87%E3%83%BC%E3% 82% BF% E8% B3% 87% E7% 94% A3% E3% 81% B8% E3% 81% AE% E3% 83% 87% E3% 83% BC% E3% 82% BF% E3% 81% AE% E4% BF% 9D% E5% AD% 98-% E5% 88% 86% E6% 9E% 90% E3% 83% 97% E3% 83% AD% E3% 82% B8% E3% 82% A7 I wrote it in% E3% 82% AF% E3% 83% 88), but it took some tricks to save it in Excel format. After a lot of research, stackoverflow's this article It was valid.

Here is an example that I actually tried.

Pandas dataframe used


#Sample data Iris
import pandas as pd
from sklearn.datasets import load_iris

iris = load_iris()
df = pd.DataFrame(iris.data, columns=iris.feature_names)
df['iris_type'] = iris.target_names[iris.target]
df.head()

image.png

Let's save this data in Excel format. The flow is once saved as an Excel file in the environment with pandas.to_excel,

#Output to the environment once as an Excel file
filename = 'iris.xlsx'
df.to_excel(filename, index=False)
!pwd
!ls -l

# -output-
# /home/wsuser/work
# total 12
# -rw-r-----. 1 wsuser watsonstudio 8737 May 28 06:53 iris.xlsx

Read it as an io byte stream and save it in your analysis project with project_lib.

from project_lib import Project
project = Project.access()

import io

with open(filename, 'rb') as z:
        data = io.BytesIO(z.read())
        project.save_data(filename, data, set_project_asset=True, overwrite=True)

Make sure it was saved in your analysis project. image.png

Just in case, I will download it and take a look at the contents. image.png You have successfully saved 150 lines of Iris data in Excel format.

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