applysplitdata analysisMany data analysis problems involve the application of a split-apply-combine strategy, where you break up a big problem into manageable pieces, operate on each piece independently and then put all the pieces back together. This insight gives rise to a new R package that ...
Pandasgroupby-applyis an invaluable tool in a Python data scientist’s toolkit. You can go pretty far with it without fully understanding all of its internal intricacies. However, sometimes that can manifest itself in unexpected behavior and errors. Ever had one of those? Or maybe you’...
The query that I came up with gets the data out, but then it has to be re-arranged in Excel before being used in the final application, in other words, I can split it out, but I'm stumped at how to combine it. To combine it, I have to manually manipulate it in Excel. This w...
Playback Data Analysis and File Combine/Split Program DevelopmentDong-Seok ChaeSeung-Eun YangJae-Seung LeeKorea Information Processing SocietyProceedings of the Korea Information Processing Society Conference
Therefore, follow-up surveys may be necessary if the data indicate that the first sample was too small. However, the effect of multiple sampling on allele frequency estimates and the accuracy of the method is poorly understood. Here we trapped drones from two independent DCAs every month over ...
Wickham, H.: The split-apply-combine strategey for data analysis, Journal of Statistical Software, 40, 1-29, doi:10.18637/jss.v040.i01, 2011.Wickham, H.: The split-apply-combine strategey for data analysis, J. Stat. Softw., 40, 1-29, https://doi.org/10.18637/jss.v040.i01, ...