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Machine Learning
Dive into the world of machine learning on the Databricks platform. Explore discussions on algorithms, model training, deployment, and more. Connect with ML enthusiasts and experts.
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Forum Posts

mbaumga
by New Contributor III
  • 1944 Views
  • 7 replies
  • 9 kudos

How to request the addition of pre-installed R packages on the clusters?

Today, many R packages are pre-installed on the standard clusters on Databricks. Libraries like "tidyverse", "ggplot2", etc are there. Also the great library "readxl" to load Excel files. But unfortunately, its counterpart "writexl" is not pre-instal...

  • 1944 Views
  • 7 replies
  • 9 kudos
Latest Reply
wicckkjoe
New Contributor II
  • 9 kudos

I just need to figure who decides which R packages are pre-installed on the cluster.

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Mado
by Valued Contributor II
  • 8200 Views
  • 5 replies
  • 17 kudos

Resolved! Error when reading Excel file: "java.lang.NoClassDefFoundError: shadeio/poi/schemas/vmldrawing/XmlDocument"

Hi, I want to read an Excel file by:filepath_xlsx = "dbfs:/FileStore/data.xlsx"       sampleDF = (spark.read.format("com.crealytics.spark.excel")   .option("Header", "true")   .option("inferSchema", "false")   .option("treatEmptyValuesAsNulls", ...

  • 8200 Views
  • 5 replies
  • 17 kudos
Latest Reply
Mado
Valued Contributor II
  • 17 kudos

For this dataset, I also tried binary file reading as below: xldf_xlsx = ( spark.read.format("binaryFile") .option("pathGlobFilter", "*.xls*") .load(filepath_xlsx) )   excel_content = xldf_xlsx.head(1)[0].content file_like_obj = io.BytesIO(excel...

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