nightjar | 连接扫码枪二维码扫描器Electron桌面版 | Command Line Interface library
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kandi X-RAY | nightjar Summary
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QUESTION
I have an array in php.
...ANSWER
Answered 2021-Jan-09 at 11:19You could use the $key => $value
syntax to get both the key and the value with foreach
:
QUESTION
I'm having issues with loading my data. If anyone can take a look, that'd be much appreciated!
Code
...ANSWER
Answered 2020-Dec-05 at 16:54We need the 'Quantity' to be numeric. It is character
class
QUESTION
I would like to compute a graph that tells me the increasing nº of species I am recording thorugh time, preferably with ggplot
and geom_line
. So it would be something like: the first day I had one species, day 1 equals 1 species. 2nd day I detected 2 new species, day 2 should equal 3 species. If on day 5 I detected another new species, day five should equal 4 species, and so on.
It's probably an easy thing but couldn't find the way to an example within the forum, probably because I am not using the right words. What I would like from my data would be something like (don't take numbers as reference, my total number of species is only 15, no 52 like in this plot!):
You can use this subset of my dataset as a reproducible example:
...ANSWER
Answered 2020-Sep-23 at 15:13Try this approach. Your first can use dplyr
functions to count the number of species by each day and after that you can compute the cumulative sum by day using cum()
with mutate()
. The good thing is that you can integrate all the process in one pipeline with dplyr
and ggplot2
. Here the code using the data you provided:
QUESTION
I have a file name in a similar pattern as such: "XC47566 - Tui Parakeet - Brotogeris sanctithomae.wav"
and I want to extract the bolded portion. What is a way to go about this?
Clarification: most files have this pattern: XC##### - Bird name - Bird species. However, some files have hyphenated words such as here: XC22087 - Silky-tailed Nightjar - Antrostomus sericocaudatus
Thank you for everyone's help. I am not that familiar with using file extensions and so I really appreciate this
...ANSWER
Answered 2020-Jul-15 at 09:20you can split on one character:
QUESTION
Newish to R but can someone help me understand why my CCA only shows the first 4 environmental variables??
Is it a significance issue or a code problem?
I have the species ordination in the Animal_matrix and then I wanted all the environmental variables in a plot. I have also tried: Animal_matrix ~ T_height., data = VegData1
It worked when I had 20 sites (which are represented as rows? - correct me if I am wrong) then I condensed the data down to just 5 "sites".
...ANSWER
Answered 2020-Jun-18 at 20:40It appears that you created a whole lot of dummy variables for things being Alive of Dead. I suspect these are largely collinear to the point of being redundant; you don't have n unique variables, just 4.
As such data and rank deficient, we can't keep them in models and do the linear algebra on them, so they get removed or aliased.
You shouldn't be creating dummy variables by hand for R's modelling function (in general). Instead have variables that are factor with the required levels, say G
with levels Alive
and Dead
and then R will work out the dummy variable for you. That said, you might still not be able to include all these Alive/Dead variables in the model if they don't add anything new once you know one of them.
QUESTION
This is driving me nuts. I've tried solving this two days already browsing through many webpages.
I'd like to use the jquery-ui autocomplete functionality just exactly as the sample in http://jqueryui.com/resources/demos/autocomplete/remote-jsonp.html, but instead of calling search.php I need to call an ASP file (Microsoft IIS environment). So, I created a local copy of above mentioned HTML file and adjusted only the URL.
...ANSWER
Answered 2017-Mar-21 at 00:00If your ASP is called, findbirds.aps
, for example, you can use the following JavaScript code in index.html
:
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