fix: fix categories

Author: DiogoRibeiro7

_posts/2023-08-22-paulerdos.md

@@ -1,7 +1,6 @@
 ---
 author_profile: false
 categories:
-- Mathematics
 - Biographies
 classes: wide
 date: '2023-08-22'

_posts/2023-08-25-runnning_windows.md renamed to _posts/2023-08-25-rr_functions_rolling_windows.md

@@ -2,7 +2,6 @@
 author_profile: false
 categories:
 - Machine Learning
-- Data Science
 classes: wide
 date: '2023-09-03'
 excerpt: Learn the core concepts of binary classification, explore common algorithms

_posts/2023-08-30-Data_Science.md renamed to _posts/2023-08-30-ethics_data_science.md

@@ -2,7 +2,6 @@
 author_profile: false
 categories:
 - Signal Processing
-- Data Analysis
 classes: wide
 date: '2023-09-20'
 excerpt: Explore the diverse applications of rolling windows in signal processing,

_posts/2023-09-03-binary_classification.md

@@ -1,9 +1,7 @@
 ---
 author_profile: false
 categories:
-- Data Science
 - Natural Language Processing
-- Machine Learning
 classes: wide
 date: '2023-10-02'
 excerpt: Natural Language Processing (NLP) is integral to data science, enabling tasks
@@ -24,6 +22,7 @@ keywords:
 - Nltk
 - Spacy
 - Hugging face
+- Data science
 seo_description: Explore how Natural Language Processing (NLP) fits into data science,
   common NLP tasks, popular libraries like NLTK and SpaCy, and real-world applications.
 seo_title: 'Natural Language Processing in Data Science: Tasks, Tools, and Applications'

_posts/2023-09-04-fearssurrounding.md renamed to _posts/2023-09-04-fears_surrounding_artificial_intelligence.md

@@ -1,9 +1,7 @@
 ---
 author_profile: false
 categories:
-- Statistics
 - Non-Parametric Tests
-- Data Analysis
 classes: wide
 date: '2023-11-16'
 excerpt: Learn how the Mann-Whitney U Test is used to compare two independent samples