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    Data Science Capstone | Rohit | May 07 - May 28 | 2021

    Hi Rohit, Can you please reply to my query (Post #16 above) posted on Saturday May 29th, 2021? I am getting an error and not sure what the issue is ?
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    Data Science Capstone | Rohit | May 07 - May 28 | 2021

    Hi Rohit, Can you please reply to my query (Post #16 above) posted on Saturday May 29th, 2021? I am getting an error and not sure what the issue is ?
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    Data Science Capstone | Rohit | May 07 - May 28 | 2021

    Hi Rohit, I am working on the First project (Real Estate) and for week 4 tasks a) Run a model at a Nation level. If the accuracy levels and R square are not satisfactory proceed to below step., when I run the Linear Regression and use fit (as below) : linereg=LinearRegression()...
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    Big Data Hadoop and Spark Developers | Mar 6,7,13,14,20,21,27,28 Apr 3,4,10,11,17 | Syed Rizvi

    Hi Syed, On the Google shared drive for March 6th evening batch, I can't find number of folders like Reference Material, Technical, Drawings etc. I have an issue with my computer so need to download them again. Can you please provide me the links from where I can download those. We were told...
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    Big Data Hadoop and Spark Developers | Mar 6,7,13,14,20,21,27,28 Apr 3,4,10,11,17 | Syed Rizvi

    Hi Syed, I am working on project 1 (Stock Exchange Data Analysis) need some help for the following last 2 data analysis tasks : 4) Show the best-growing industry by each state, having at least two or more industries mapped. 5) For each sector find the following. Worst year b...
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    Big Data Hadoop and Spark Developers | Mar 6,7,13,14,20,21,27,28 Apr 3,4,10,11,17 | Syed Rizvi

    Thanks Syed. I opened the file in Notepad++ and it has control-linefeed (CR-LF) at the end as below. I was able to load successfully to MySQL table using LINES TERMINATED BY '\r\n' instead of LINES TERMINATED BY '\n' . It seems for Windows file we need \r\n and for Unix files \n only.
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    Big Data Hadoop and Spark Developers | Mar 6,7,13,14,20,21,27,28 Apr 3,4,10,11,17 | Syed Rizvi

    I was able to load the data correctly (Thanks to Google :) ). It seems the end of line was not recognized correctly. My issue was in my load script I was using : LINES TERMINATED BY '\n' but since file was downloaded from GitHub to Windows and then uploaded to Cloud lab (Linux), I...
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    Big Data Hadoop and Spark Developers | Mar 6,7,13,14,20,21,27,28 Apr 3,4,10,11,17 | Syed Rizvi

    Hi Syed, I am working on Project 1 (Stock Exchange Data Analysis) and was able to load the 'StockPrices.csv' file to a new local table STOCK_PRICES. But when I tried loading the second file 'Stockcompanies.csv' into table STOCK_COMPANIES, the first column is not loaded correctly as you can see...
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    Big Data Hadoop and Spark Developers | Mar 6,7,13,14,20,21,27,28 Apr 3,4,10,11,17 | Syed Rizvi

    Hi Syed, I installed the Scala plug-in in Eclipse as per the instructions in the YouTube video link provided in TOC. But when I execute the object using a simple 'Hello World' program, I am getting the following error : An error has occurred. See error log for more details...
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    Big Data Hadoop and Spark Developers | Mar 6,7,13,14,20,21,27,28 Apr 3,4,10,11,17 | Syed Rizvi

    Interesting write-up on High-Availability (HA) Cluster using NFS (Copied from Web): HDFS HA cluster using NFS The following diagram depicts the HDFS HA cluster using NFS for shared storage required by the NameNodes architecture: Key points to consider about HDFS HA using shared storage...
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