v0.5.0b1

This is the release notes of v0.5.0b1. See here for the complete list of solved issues and merged PRs.

New Features

• Tensor
  • Implements mars.tensor.stats.entropy (#1376)
• DataFrame
  • Implements DataFrame.rename (#1359)
  • Implements {Series,Index}.rename (#1361)
  • Implement DataFrame.insert (#1389)
• Remote:
  • Add run_script support (#1299)

Enhancements

• Set output type when calling new_xxx methods on DataFrames (#1212)
• Optimize DataFrame.{head, tail} when DataFrame has unknown chunk shape (#1328)
• Make creation of Kubernetes clusters modular (#1369)
• Optimize read_sql + head (#1377)
• Use subgraph to represent fused nodes instead of a list (#1388)
• Optimize read_csv if followed by DataFrame.getitem (#1390)

Bug fixes

• Fix hang for distributed roc_curve (#1362, #1380)
• Fix read_sql when no data selected & refine error when no worker attached (#1371)
• Fix progress display for bokeh 2.1.x (#1382)
• Fix serialization issue when remote function has argument which is an executed tileable (#1394)
• Fix LightGBM when input tileables have unknown shape (#1396)

Installation

• Specifying encoding for long_description (#1402)