Archives | DataScienceTribe

2022

07

05

An simple but useful example of online calculator using javascript

code linkgithub link demo

2022-07-05 data science

scripts

02

hyperparameter tuning using Optuna with RandomForestClassifier Example (Python code)

For some popular machine learning algorithms, how to set the hyper parameters could affect machine learning algorithm pe

2022-07-02 data science

hyperparameter tuning

06

22

How to insert images in DataBricks notebook

Following steps show how to upload images to databricks filestore, and insert that path in the notebook cell. upload the

2022-06-22 data science

visualization databricks

05

15

How to plot mulitiple subplots of barplots using seaborn

Sometimes we want to plot multiple barplots in subplots, this examples shows a nice way to do it. load sample dataimport

2022-05-15 data science

visualization seaborn

04

10

How to use SentenceTransformer, a powerful and simple text embedding method based on transformer methods

SentenceTransfomer is a Python framework developed based on Sentence-BERT that can generate high-quality embedding vecto

2022-04-10 machine learning

transformer BERT SentenceTransfomer embedding

03

20

What is Web3? Its relationship with Web1, Web2 and metaverse

The Internet has so far been in two phases: Web 1.0 and Web 2.0. The next phase, naturally, is Web 3.0 (Web3 for short).

2022-03-20 Metaverse

Web3

19

Good use of regular expression, remove spaces between punctuation and words, normalize texts automatically

Regular expression (shortened as regex) is very powerful way to improve efficiency and change formats for us.Here are ex

2022-03-19 data science

python regex

13

Ten important Python libraries that Data Scientist must know

Good libraries are like useful toolbox, and learning these libraries can make you more productive, whether you’re a novi

2022-03-13 data science

python

02

22

Convert arbitrary date to the date of Monday or Sundy within the same week in Python

It is common practice to convert date to the week number for normalization or feature preprocessing. While this is prett

2022-02-22 data science

python

01

27

A transformer example to maintain same feature order and add missing features back for feature engineering

For data science projects, one important steps in feature engineering is to make sure the order of feature columns durin

2022-01-27 data science

pipeline transformer scikit-learn

15

Convert short texts to numeric vectors with Character ngram tf-idf vectorizer using scikit learn in Python

When apply machine learning algorithms, to handel words or short texts, we usually need to get their numeric embedding v

2022-01-15 machine learning

text mining natural language processing

2021

12

29

Use Python to solve Linear Programming optimization problem

Let’s first define the standard format of linear programming problem,in which we will minimize the following equation$$

2021-12-29 optimization

linear programming optimization