koala 0.1.3

A poor man's version of a pandas Dataframe. Collect, access & manipulate related data.

0.0.1

Baseline version. Duh.

0.0.2

Comply with data file format conventions.

0.0.3

Add toCsv method. Improve method documentation. Remove the rather pointless structureInfo method.

0.1.0

• Add shape property & columnIterable, withColumns, multiIndexed, masked
• Incorporate Column class being returned upon accessing a DataFrame column, alongside methods for
  • transformation: cumulativeSum
  • accumulation: mean, max, min, sum
  • counting: count, countElementOccurrencesOf
  • null-ridding: nullFree, nullFreeIterable
  • mask conversion: eq, neq, isIn, isNotIn, maskFrom, gt, lt, geq, leq
• Enable conditional rows selection based on columns, e.g.

  final filteredDf = df.masked(df('a').lt(7) & (df('b').eq(null) | df('c').isIn({'super', 'sick', ',', 'brother'})));
  

0.1.1

• Make shape an unmodifiable List
• Add head method
• Make the start and end parameters of slice and sliced keyword parameters
• Add asView parameter to non-constructor methods returning a DataFrame, to allow for determining whether a view of the current data, or a copy of it should be returned

0.1.2

• Update jiffy as well as the dart sdk version range

0.1.3

• Update dart sdk to >=2.13.0 <=3.3.0, csv to 6.0.0