How to load and view any stored dataset in R packages

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  • เผยแพร่เมื่อ 6 ม.ค. 2025

ความคิดเห็น • 2

  • @daianelothbrook6019
    @daianelothbrook6019 5 หลายเดือนก่อน +1

    Hello, I am downloading my Dataset. And R is not accepting saying it is to Big. I used Data table and tried to increase memory but not work. Can you help me with this?

    • @asifmolbio
      @asifmolbio  5 หลายเดือนก่อน

      If you’re encountering memory issues while downloading and processing large datasets in R, there are several strategies you can try to handle large data more effectively:
      1. Use Data.table for Efficient Data Handling:
      data.table is designed for high-performance data manipulation. Make sure you’re using it correctly.
      library(data.table)
      # Read the data in chunks
      fread("large_file.csv", select = c("column1", "column2"), nrows = 100000)
      2. Increase Memory Limit:
      R has a memory limit that you can increase. On Windows, you can use:
      memory.limit(size = 56000) # Set memory limit to 56 GB
      2. On Linux, you might need to adjust ulimit:
      ulimit -n 4096 # Increase file descriptor limit
      3. Use Data.table’s fread with Specific Parameters:
      fread is optimized for speed and memory usage. You can specify data types and skip rows to reduce memory load.
      dt