Vulpes | Deep Belief Net written in F # , and using Alea | GPU library
kandi X-RAY | Vulpes Summary
kandi X-RAY | Vulpes Summary
Vulpes is an implementation of deep belief and deep learning, written in F# and using Alea.cuBase to connect to your PC's GPU device.
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QUESTION
I have a large df (+100k rows, see snapshot of data below) that I'm trying to summarize (min, mean, median, max, etc.) a variable (salinity) in a table by group (species) using tapply, but if I use the whole dataset (which contains a few NA's, but not in every group) instead of a random subset, tapply adds in an extra column in the table it creates called "NA.s" and it has a value for every group. I'm not sure what this column is or how it's created. Using a subset of randomly chosen rows from the df instead doesn't recreate this issue, so I'm not sure how to reproduce my data here...
then I run this code:
...ANSWER
Answered 2021-Dec-10 at 21:31This will happen because some of the species will not have NAs
while others will. summary
will not have the NA
column if there are none missing and rbind
doesn’t know how to handle a differing number of columns. You’re seeing the first element repeated (the min) when there are none missing. For species that have some missing, you'll see the count of NA
QUESTION
I have a huge data set of nature observations like this:
fulldata:
...ANSWER
Answered 2021-Mar-16 at 03:43This will work as long as the species names are consistently spelled. Assuming your sample data is called species
:
QUESTION
I have a data frame which consists of various species, and a column showing their presence (detection column). I want to end up with a list of data frames, one for each species. Within each species new data frame I want the matching species detection values be turned to a '1', while keeping all other species detection values as 0. Here is an example data frame with two species:
...ANSWER
Answered 2020-Jun-01 at 14:57The approach you described is correct. However, you need to copy the data first before you modify the Detection
value, so that you do not change the original data and the subsequent copies of it.
QUESTION
I have a data frame consisting of two columns ("Cam_Trap_Days" and "Genus"), where Cam_Trap_Days indicates a particular day and the genus that were present at the observation.
...ANSWER
Answered 2020-Apr-09 at 16:59Here is some code in base R that accomplishes your task:
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