Aleksei Smirnov

> With that in mind, would you be interested in contributing to the DataFrame and if so, how can we help you be successful in making those contributions? Hello @luisquintanilla,...

Hello, @luisquintanilla More than a year passed since this roadmap was initially posted and there are only two months before the planned release in the mid of November. It seems...

Hi @IntegerMan , there is an easier way to pull data out of a column. As each column implements IEnumerable you can use ```C# var dataX = ((SingleDataFrameColumn)df["Credit Amount"] ).ToArray();...

Hi @lucvalentino. Dataframe columns have two methods that take a lambda and apply it to the column content: ApplyElementwise and Apply. However, as lambda function is generic, these method are...

Some increase in performance of Filtering should be achieved with #6869.

Compare indexing for read of double column and double array. Reading array is 50 times faster: ``` [GlobalSetup] public void SetUp() { var values = Enumerable.Range(1, ItemsCount).ToArray(); _doubleColumn = new...

Hi @luisquintanilla and @IntegerMan, I am not very familiar with F#, so I managed to update DataFrame-Getting-Started sample to use Plotly.Net, but it could be not the best "F# way"...

cc @JakeRadMSFT

@ericstj @luisquintanilla @michaelgsharp I investigated the defect and it appeared that it is related to the same issue as was discussed in #7094. Since version 1.0 Apache Arrow uses bitmap...

> Is the only side-effect a breaking change that makes PrimitiveDataFrameColumn abstract? Another side effect is performance. New implementation working with individual bits will be slower, what I think is...