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Machine Intelligence and Data Science Group
1–24 of 25
Tasmania Arch, Australia
Welcome to the Knowledge Wonderland of
Machine Learning and Data Science
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Ritchie Poon
1/2/18
The knowledge road map towards Machine Learning
We will start from Wikipedia of Machine Learning and then build a key knowledge and competency map
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The knowledge road map towards Machine Learning
We will start from Wikipedia of Machine Learning and then build a key knowledge and competency map
1/2/18
Ritchie Poon
3/19/21
sklearn cross_val_score and cross_validation notes
Compare major properties: i Fit model: Yes / Yes ii. Return fitted model: No / Default No, yes if
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sklearn cross_val_score and cross_validation notes
Compare major properties: i Fit model: Yes / Yes ii. Return fitted model: No / Default No, yes if
3/19/21
r poon
12/22/20
IBM Cloud Pak for Data - Data Logging Access & API
A number of error messages, ranging from Authorization Bearer, URL using bad/illegal format or
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IBM Cloud Pak for Data - Data Logging Access & API
A number of error messages, ranging from Authorization Bearer, URL using bad/illegal format or
12/22/20
r poon
6/21/20
Custom objects and Lambda layers problems in Keras Model saving and loading
Python Lambda function is flexible and powerful in providing short and quick "nameless"
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Keras
ML
Tensorflow
deep-learning
Custom objects and Lambda layers problems in Keras Model saving and loading
Python Lambda function is flexible and powerful in providing short and quick "nameless"
6/21/20
r poon
3/23/19
Common Curl API problems: quote within quote / IBM Speech-to-text API
After get stuckec for more than once, and having seen various stackoverflow and web questions for
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IBM
Watson-Studio
Common Curl API problems: quote within quote / IBM Speech-to-text API
After get stuckec for more than once, and having seen various stackoverflow and web questions for
3/23/19
ritch...@abrs.com.hk
3/9/19
Google Production ML Lab Week 2 - Linux find and grep
In this lab, you were asked to Run the what_to_fix.sh script to see a list of items you need to add/
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GCP
Google
ML
linux-windows-server-networking-and-vm-essentials
Google Production ML Lab Week 2 - Linux find and grep
In this lab, you were asked to Run the what_to_fix.sh script to see a list of items you need to add/
3/9/19
r poon
12/30/18
TensorFlow Tutorial on 3D Tensor and Reduce_Mean¶
TensorFlow Tutorial on 3D Tensor and Reduce_Mean¶ Background on Tensorflow: You may refer to this
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TensorFlow Tutorial on 3D Tensor and Reduce_Mean¶
TensorFlow Tutorial on 3D Tensor and Reduce_Mean¶ Background on Tensorflow: You may refer to this
12/30/18
ritch...@abrs.com.hk
12/14/18
Install and Run Spark Jupyter Notebook on Docker
Install a Jupyter Spark Notebook into Docker Docker containers provide a powerful and flexible ways
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Install and Run Spark Jupyter Notebook on Docker
Install a Jupyter Spark Notebook into Docker Docker containers provide a powerful and flexible ways
12/14/18
ritch...@abrs.com.hk
11/26/18
Very Slow R Studio
Set this to FALSE to disable memory garbage collection, which will slow down especially for tight
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Very Slow R Studio
Set this to FALSE to disable memory garbage collection, which will slow down especially for tight
11/26/18
r poon
11/24/18
Upgrade / Install TensorFlow on R (RStudio + Jupyter Notebook) - Test drive part one
A Trivial Installation, A Big Bang Forward I first installed TensorFlow on Jupyter Notebook a few
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JupyterNotebook
R
Tensorflow
deep-learning
Upgrade / Install TensorFlow on R (RStudio + Jupyter Notebook) - Test drive part one
A Trivial Installation, A Big Bang Forward I first installed TensorFlow on Jupyter Notebook a few
11/24/18
ritch...@abrs.com.hk
10/14/18
ERROR: "java.io.IOException: Not a file" while running Hive
This could be caused by Hive cannot properly traverse a folder (pls see: https://community.
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ERROR: "java.io.IOException: Not a file" while running Hive
This could be caused by Hive cannot properly traverse a folder (pls see: https://community.
10/14/18
ritch...@abrs.com.hk
10/10/18
Error in SHOW TABLES in hive
FAILED: SemanticException org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.
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big-data-analytics
Error in SHOW TABLES in hive
FAILED: SemanticException org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.
10/10/18
r poon
10/3/18
Install Spark and Zeppelin Image though Docker on Windows 10 with Virtual Box: Errors / TroubleShoot
Background: I have to deploy the Docker software to my existing Windows 10 PC (with Virtual Box 5.2.x
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IBM
VM
spark
Install Spark and Zeppelin Image though Docker on Windows 10 with Virtual Box: Errors / TroubleShoot
Background: I have to deploy the Docker software to my existing Windows 10 PC (with Virtual Box 5.2.x
10/3/18
ritch...@abrs.com.hk
9/28/18
change verbose level of Spark Shell
I encountered this in my IBM Spark Fundamentals - Lab Configuring and Monitoring Spark Applications
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IBM
spark
change verbose level of Spark Shell
I encountered this in my IBM Spark Fundamentals - Lab Configuring and Monitoring Spark Applications
9/28/18
r poon
2
8/28/18
Access App Details in IBM Cloud Foundry Using CF CLI
What was missing is you need to : After installed cf cli, then one way is first to log into your api
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Cloud
Access App Details in IBM Cloud Foundry Using CF CLI
What was missing is you need to : After installed cf cli, then one way is first to log into your api
8/28/18
r poon
8/15/18
ls: cannot access /viz/static/: Not a directory
should use either: ls ./viz/static/ or ls viz/static
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Linux
vagrant
ls: cannot access /viz/static/: Not a directory
should use either: ls ./viz/static/ or ls viz/static
8/15/18
r poon
8/14/18
vagrant automatically remove ruby.exe - Udacity Real Time Analytics course VM download error cannot find path for ruby
1) I looked up and eliminate it is NOT the installation path problem, instead ruby.exe was missing in
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VM
vagrant
vagrant automatically remove ruby.exe - Udacity Real Time Analytics course VM download error cannot find path for ruby
1) I looked up and eliminate it is NOT the installation path problem, instead ruby.exe was missing in
8/14/18
ritch...@abrs.com.hk
8/14/18
Ambari Startup Error: ambari commons.exceptions.FatalException: "Fatal exception: Unable to access /var/run/ambari-server directory.
/var/run/ambari-server is a default directory (see attached) for running ambaris and store process
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Ambari Startup Error: ambari commons.exceptions.FatalException: "Fatal exception: Unable to access /var/run/ambari-server directory.
/var/run/ambari-server is a default directory (see attached) for running ambaris and store process
8/14/18
ritch...@abrs.com.hk
8/9/18
Hadoop Installaion Data Node not Started
Referent to: https://stackoverflow.com/questions/3425688/why-does-the-hadoop-incompatible-
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Hadoop Installaion Data Node not Started
Referent to: https://stackoverflow.com/questions/3425688/why-does-the-hadoop-incompatible-
8/9/18
ritch...@abrs.com.hk
7/25/18
Layers in Keras
This stackoverflow blog will shape up stronger fundation on Keras layers for newbies: https://
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Keras
deep-learning
machine-learing
Layers in Keras
This stackoverflow blog will shape up stronger fundation on Keras layers for newbies: https://
7/25/18
ritch...@abrs.com.hk
7/18/18
IBM Coursera Deep Learning Week 3 Data Size Problem
I tried to run through the demo notebook cwt_elt.ipynb with some interesting problems: (my notebook
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IBM Coursera Deep Learning Week 3 Data Size Problem
I tried to run through the demo notebook cwt_elt.ipynb with some interesting problems: (my notebook
7/18/18
ritch...@abrs.com.hk
7/10/18
Hive and Derby Installation
Skills / Competency: to install hive and associated derby database in Linux environment Essential
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Hive and Derby Installation
Skills / Competency: to install hive and associated derby database in Linux environment Essential
7/10/18
ritch...@abrs.com.hk
7/7/18
Resize a Virtual Box VM
Skills Learned: How to resize an existing virtual box VM to accommodate for large disk size
unread,
big-data-analytics
Resize a Virtual Box VM
Skills Learned: How to resize an existing virtual box VM to accommodate for large disk size
7/7/18
ritch...@abrs.com.hk
2
3/17/18
Hadoop Installation
use: sudo nano /usr/local/hadoop/etc/hadoop/hadoop-env.sh will not see the warnings..
unread,
big-data-analytics
Hadoop Installation
use: sudo nano /usr/local/hadoop/etc/hadoop/hadoop-env.sh will not see the warnings..
3/17/18
Ritchie Poon
1/3/18
Learning Azure Machine Learning Studio
Hi i recently completed a predicative experiment for the above and deploy to web service, first on
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Learning Azure Machine Learning Studio
Hi i recently completed a predicative experiment for the above and deploy to web service, first on
1/3/18