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		<title>Orbital Geospatial College</title>
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		<description><![CDATA[Orbital Geospatial College]]></description>
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			<title>Home University</title>
			<pubDate><![CDATA[Wed, 23 Apr 2025 12:15:59 +0000]]></pubDate>
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			<guid><![CDATA[https://ogc.or.ke/blog/]]></guid>
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			<title>Blog</title>
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			<guid><![CDATA[https://ogc.or.ke/courses/fundamentals-of-data-science/]]></guid>
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			<title>Fundamentals of Data Science</title>
			<pubDate><![CDATA[Fri, 01 May 2026 11:36:54 +0000]]></pubDate>
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			<guid><![CDATA[https://ogc.or.ke/courses/big-data-analytics-with-python/]]></guid>
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			<title>Big Data Analytics with Python Course</title>
			<pubDate><![CDATA[Fri, 01 May 2026 11:07:50 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-data-pipeline-design/]]></guid>
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			<title>Lesson 2: Data pipeline design</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:28:44 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-portfolio-development/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-portfolio-development/]]></link>
			<title>Lesson 4: Portfolio development</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:28:44 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-career-opportunities/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-career-opportunities/]]></link>
			<title>Lesson 5: Career opportunities</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:28:44 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-real-world-big-data-project/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-real-world-big-data-project/]]></link>
			<title>Lesson 1: Real-world big data project</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:28:43 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-insight-presentation/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-insight-presentation/]]></link>
			<title>Lesson 3: Insight presentation</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:28:43 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-performance-evaluation/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-performance-evaluation/]]></link>
			<title>Lesson 5: Performance evaluation</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:27:29 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-model-training/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-model-training/]]></link>
			<title>Lesson 4: Model training</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:27:28 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-scalable-algorithms/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-scalable-algorithms/]]></link>
			<title>Lesson 2: Scalable algorithms</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:27:27 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-spark-machine-learning-mllib/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-spark-machine-learning-mllib/]]></link>
			<title>Lesson 3: Spark Machine Learning (MLlib)</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:27:27 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-ml-with-big-datasets/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-ml-with-big-datasets/]]></link>
			<title>Lesson 1: ML with big datasets</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:27:26 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-developing-dashboards/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-developing-dashboards/]]></link>
			<title>Lesson 3: Developing dashboards</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:25:07 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-business-reporting/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-business-reporting/]]></link>
			<title>Lesson 5: Business reporting</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:25:07 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-storytelling-with-data/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-storytelling-with-data/]]></link>
			<title>Lesson 4: Storytelling with data</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:25:06 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-python-visualization-tools/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-python-visualization-tools/]]></link>
			<title>Lesson 2: Python visualization tools</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:25:06 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-visualizing-large-datasets/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-visualizing-large-datasets/]]></link>
			<title>Lesson 1: Visualizing large datasets</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:25:06 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-trend-analysis/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-trend-analysis/]]></link>
			<title>Lesson 4: Trend analysis</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:23:43 +0000]]></pubDate>
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					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-real-time-analytics/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-real-time-analytics/]]></link>
			<title>Lesson 5: Real-time analytics</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:23:43 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-pattern-detection/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-pattern-detection/]]></link>
			<title>Lesson 3: Pattern detection</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:23:42 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-predictive-analytics/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-predictive-analytics/]]></link>
			<title>Lesson 2: Predictive analytics</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:23:41 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-memory-efficient-coding/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-memory-efficient-coding/]]></link>
			<title>Lesson 5: Memory-efficient coding</title>
			<pubDate><![CDATA[Thu, 30 Apr 2026 16:00:32 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-data-preprocessing/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-data-preprocessing/]]></link>
			<title>Lesson 4: Data preprocessing</title>
			<pubDate><![CDATA[Thu, 30 Apr 2026 16:00:31 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-descriptive-analytics/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-descriptive-analytics/]]></link>
			<title>Lesson 1: Descriptive analytics</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:23:41 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-automation-techniques/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-automation-techniques/]]></link>
			<title>Lesson 5: Automation techniques</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:21:27 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-large-scale-data-cleaning/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-large-scale-data-cleaning/]]></link>
			<title>Lesson 1: Large-scale data cleaning</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:21:25 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-handling-missing-values/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-handling-missing-values/]]></link>
			<title>Lesson 2: Handling missing values</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:21:25 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-distributed-processing/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-distributed-processing/]]></link>
			<title>Lesson 4: Distributed processing</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:19:17 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-performance-optimization/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-performance-optimization/]]></link>
			<title>Lesson 5: Performance optimization</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:19:17 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-pyspark-setup/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-pyspark-setup/]]></link>
			<title>Lesson 3: PySpark setup</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:19:16 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-spark-architecture/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-spark-architecture/]]></link>
			<title>Lesson 1: Spark architecture</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:19:15 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-rdds-and-data-frames/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-rdds-and-data-frames/]]></link>
			<title>Lesson 2: RDDs and Data Frames</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:19:15 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-mapreduce/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-mapreduce/]]></link>
			<title>Lesson 3: MapReduce and Hadoop Streaming</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:17:28 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-handling-large-files/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-handling-large-files/]]></link>
			<title>Lesson 3: Handling large files</title>
			<pubDate><![CDATA[Thu, 30 Apr 2026 16:00:31 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-hadoop-architecture/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-hadoop-architecture/]]></link>
			<title>Lesson 1: Introduction to Hadoop architecture</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:17:24 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-yarn-resource-manager/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-yarn-resource-manager/]]></link>
			<title>Lesson 4: YARN resource manager</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:16:18 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-big-data-storage-concepts/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-big-data-storage-concepts/]]></link>
			<title>Lesson 5: Big data storage concepts</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:16:18 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-hadoop-distributed-file-system-hdfs/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-hadoop-distributed-file-system-hdfs/]]></link>
			<title>Lesson 2: Hadoop Distributed File System (HDFS)</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:16:16 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-data-storage-systems/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-data-storage-systems/]]></link>
			<title>Lesson 4: Data storage systems</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:11:41 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-5-cloud-data-platforms/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-5-cloud-data-platforms/]]></link>
			<title>Lesson 5: Cloud data platforms</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:11:41 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-structured-vs-unstructured-data/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-structured-vs-unstructured-data/]]></link>
			<title>Lesson 3: Structured vs unstructured data</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:11:40 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-understanding-data-sources/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-understanding-data-sources/]]></link>
			<title>Lesson 1: Understanding Data sources</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:11:39 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-apis-and-web-data/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-apis-and-web-data/]]></link>
			<title>Lesson 2: APIs and web data</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:11:39 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-data-libraries-pandas-numpy/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-data-libraries-pandas-numpy/]]></link>
			<title>Lesson 2: Data libraries (Pandas, NumPy)</title>
			<pubDate><![CDATA[Thu, 30 Apr 2026 16:00:29 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-3-data-transformation/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-3-data-transformation/]]></link>
			<title>Lesson 3: Data transformation</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:21:27 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-1-python-refresher/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-1-python-refresher/]]></link>
			<title>Lesson 1: Python refresher</title>
			<pubDate><![CDATA[Thu, 30 Apr 2026 16:00:28 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-2-the-5-vs-of-big-data/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-2-the-5-vs-of-big-data/]]></link>
			<title>Lesson 1: What is Big Data?</title>
			<pubDate><![CDATA[Thu, 30 Apr 2026 15:56:59 +0000]]></pubDate>
		</item>
					<item>
			<guid><![CDATA[https://ogc.or.ke/lessons/lesson-4-data-normalization/]]></guid>
			<link><![CDATA[https://ogc.or.ke/lessons/lesson-4-data-normalization/]]></link>
			<title>Lesson 4: Data normalization</title>
			<pubDate><![CDATA[Fri, 01 May 2026 10:21:27 +0000]]></pubDate>
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