Tutorial introducing stochastic processes and Markov chains. Learn how to simulate a simple stochastic process, model a Markov chain simulation and code out the n-step transition matrix for a Markov chain. GitHub repo containing the notebook under "Python YouTube Tutorials" - https://github.com/tudev/Workshops-2020-2021 CONNECT: LinkedIn: https://www.linkedin.com/in/adrian-dolinay-frm-96a289106/ GitHub: https://github.com/ad17171717 Twitter: https://twitter.com/DolinayG ------Video Chapters------ 0:00 - Intro 0:24 - Definition of stochastic process 1:15 - Simulating a stochastic process with gambler's ruin 7:40 - Probability of gambler's ruin 11:26 - Definition of Markov chains 14:17 - Markov transition graph 15:38 - Coding a Markov chain simulation 23:15 - Memorylessness of Markov chains 24:05 - Simulating an n-step transition matrix 29:21 - Stationary distribution of a Markov chain 31:16 - 2-step transition matrix given an initial distribution 33:42 - References and additional learning ... https://www.youtube.com/watch?v=WT6jI8UgROI

Tutorial on extracting metadata using Python. Learn how to extract metadata using Pillow, search for metadata such as the date/time a photograph was taken and plot the location where a photograph was taken. The notebook can be found in the "Data Science with Python" folder within the below repo. GitHub Repo - https://github.com/ad17171717/YouTube-Tutorials/blob/main/Data%20Science%20with%20Python/Extracting%20Metadata/Data_Science_with_Python!_Extracting_Metadata_from_Images.ipynb CONNECT: LinkedIn: https://www.linkedin.com/in/adrian-dolinay-frm-96a289106/ GitHub: https://github.com/ad17171717 Twitter: https://twitter.com/DolinayG Odysee: https://odysee.com/@adriandolinay:0 Medium: https://medium.com/@adriandolinay |-Video Chapters-| 0:00 - Intro 0:27 - Definition of metadata 0:57 - Uploading and displaying an image within the notebook 1:46 - Function to extract metadata from a photograph 3:54 - Extracting the date & time a photograph was taken 4:25 - Function to extract the location where a photograph was taken 8:44 - Plotting the location with ipyleaflet 10:16 - Images with missing metadata 11:07 - Removing metadata from a photograph 12:20 - References and additional learning ... https://www.youtube.com/watch?v=JYvhn3Vp0Tk

Tutorial on encrypting and decrypting PDFs with Python. The notebook can be found in the "Python" folder within the below repo. GitHub Repo - https://github.com/ad17171717/YouTube-Tutorials/tree/main/Python/PDF%20Encrypt%20Decrypt CONNECT: LinkedIn: https://www.linkedin.com/in/adrian-dolinay-frm-96a289106/ GitHub: https://github.com/ad17171717 Twitter: https://twitter.com/DolinayG Odysee: https://odysee.com/@adriandolinay:0 Medium: https://medium.com/@adriandolinay |-Video Chapters-| 0:00 - Intro 0:29 - Reviewing PDF that will be encrypted 0:51 - Installing and importing PyPDF2 1:16 - Saving the PDF filename into a variable 2:23 - Encrypting a PDF file 4:11 - Decrypting a PDF file 5:04 - References and additional learning ... https://www.youtube.com/watch?v=_b96G79IahQ

Tutorial on searching for text within a PDF on Google Colab. The notebook can be found in the "Google Colab Tutorials" folder within the below repo. GitHub Repo - https://github.com/ad17171717/YouTube-Tutorials/tree/main/Google%20Colab%20Tutorials/Searching_a_PDF CONNECT: LinkedIn: https://www.linkedin.com/in/adrian-dolinay-frm-96a289106/ GitHub: https://github.com/ad17171717 Twitter: https://twitter.com/DolinayG Odysee: https://odysee.com/@adriandolinay:0 Medium: https://medium.com/@adriandolinay |-Video Chapters-| 0:00 - Intro 0:24 - Installing pdfgrep in Google Colab 1:12 - Uploading PDFs to Google Colab 1:22 - Searching for a term/phrase within a PDF 2:42 - Searching for pages containing term/phrase within a PDF 3:27 - Count the number of times a term/phrase occurs within a PDF 4:13 Case insensitive search for a term/phrase within a PDF 4:52 - Searching for a term/phrase within a secure PDF 5:42 - References and additional learning ... https://www.youtube.com/watch?v=jtZ7PcXSsww