I have a numpy recarray, that has records of different data types or dtypes. I tried to select records of object data type using select_dtypes, but ...

I have built a recarray with np.rec.fromarrays and following structure : I get an object like this : with recarray type. I want to sort my recar ...

today I am using this code to create a numpy recarray. I am pretty sure it can be done more code efficient. But not exactly sure how to. The input is ...

In general, my question is on the possible ways for creating/appending to nested structured arrays. Specifically where the dtype structure is known, b ...

I would like to work with numpy.recarrays as described here: numpy.recarray I construct the numpy.recarray like described and want to execute simple ...

I'm storing ticks with ndarray, each tick has a utc_timestamp[str] as index, tick price/vols as values. Thus I have an array of 2 different dtypes(str ...

Data is describing the values of 20 columns roughly at that day for that id I am creating a cube to slice better my data afterwards, unfortunately ...

I am trying to assign values from one recarray (in_arr) into another (out_arr) based on an identifier string in one of the columns. To assign the valu ...

I have a process where I need to convert a numpy recarray to bytes, and after that reconstruct the recarray from the bytes. However, I am not sure ho ...

I create a numpy record array (recarray) as follows: Now I want to alter the column r['name'] so that the values are in uppercase. How do I achieve ...

The default recarray iterator seems to be going over columns. Is there a counterpart to pandas’es iterrows/itertuples that iterate row views? ...

I was able to copy my recarray data to a ndarray, do some calculations and return the ndarray with updated values. Then, I discovered the append_fie ...

I want to copy contents of a few fields in a record array into a ndarray (both type float64). I know how to do this when the recarray data has a singl ...

I am trying to create a recarray from a series of numpy arrays with column names and mixed variable types. The following works but is slow: I thi ...

Probably a duplicate to Ashley's post (but I can't comment -yet ;) ). I have the same issue when trying to add a column to a sub-selection/sample of ...

How is base determined for record arrays? The docs seem to describe the same behavior as regular arrays, but that's not what it is. Here's a simple ar ...

Numpy summarizes large arrays, which is convenient when working in an interactive session. Unfortunately, structured arrays and recarrays are not summ ...

Suppose I have data in a numpy.recarray, and I want to extract some of its columns. I want this to be an effective copy since data may be huge (I don' ...

I have a recarray containing various fields and I want to append an array of datetime objects on to it. However, it seems like the append_fields func ...

The code goes something like this: After reindexing and fillna(0) it gives the following result: I wanted to do the same with recarray so I impo ...