vale | Vale helps you working with complex data structures | Reflection library
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kandi X-RAY | vale Summary
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QUESTION
I have a dataset that was recorded by observation(each observation has its own row of data). I am looking to combine/condense these rows by the plant they were found on - currently a character variable. All other columns are numerical vales.
EX:
This is the raw data |Sci_Name|Honeybee_count|Other_bee_Obsevrved|Stem_count| |---|---|---|---| |Zizia aurea|1|5|10| |Asclepias viridiflora|15|1|3| |Viola unknown|0|0|4| |Zizia aurea|0|2|6| |Zizia aurea|3|6|3| |Asclepias viridiflora|8|2|17|
and I want:
Sci_Name Honeybee_count Other_bee_Obsevrved Stem_count Zizia aurea 4 13 19 Asclepias viridiflora 23 3 20 Viola unknown 0 0 4I am currently pulling this data from a CSV already in table form. I have been attempting to create a new table/data frame with one entry of each plant species, and blanks/0s for each other variable, which I can then use to c-binding the two together. This, however, has been clunky at best and I am having trouble figuring out how to have each row check itself. I am open to any approach, let me know what you think!
Thanks :D
...ANSWER
Answered 2021-Jun-15 at 18:02We can use the formula method in aggregate
from base R
. On the rhs of the ~
, specify the grouping variable and on the lhs, use .
for denoting the rest of the variables. Specify the FUN
as sum
and it will do the column wise sum by group
QUESTION
Hey to all in the forum
I use JSF Mojarra implementation, version JSF 2.2
I need desperately a help on this.
- I have a snippet of my page.
- I have a custom component "example_result.xhtml" used in the page.
- I have my BackingBean.java Be aware please that this code is not the real code I made. If you run it, it will be very ugly maybe because I deleted all the css classes and I kept only the hot stuff I need to show you my problem.
Everything is inside 1 form.
The 5 "h:selectManyCheckbox" (in my code I have 8 or 9)
In the form I have 5 "h:selectManyCheckbox" which are using values in the "value" attribute for different cases (javaFrameworks2Values, javaFrameworks3Values,...), and the "f:selectItems" use arrays of "SelectItem" (javaFrameworksSelectItems2, javaFrameworksSelectItems3...) created for these different cases, just to make some examples for me to understand how all the selectOne and selectMany components work. The ideas for this, about different cases were taken from these links: "https://stackoverflow.com/tags/selectonemenu/info" and "https://mkyong.com/jsf2/jsf-2-checkboxes-example".
After I have 2 commandButtons
1 for submit, and 1 for reset the values.
Display the values
After I display the results of the values of the "h:selectManyCheckbox" via the "example_result.xhtml".
You can see the 4th "h:selectManyCheckbox" that is the only one different, because it has the attribute "required" with the attribute "requiredMessage". With it there is a "h:message" to display the validation error.
In the BackingBean (which is Spring Bean, but it works perfectly good - sorry I don't want ejbs 3.x), I have initialized:
- The values of the SelectItems and
- The values of the "value" attribute, where the values of the "h:selectManyCheckbox" will be stored to be displayed later. [The code is completely castrated, to make it readable snippet].
When the page is rendered, I select checkBoxes (e.g. the 2 last, because the 2 first are initials) from all the "h:selectManyCheckbox". When I say that select from all, I mean it. And from the 4th with the "required" attribute. I try in the buttons (see in the code) the "Effort 1", or "Effort 2", or "Effort 3" (in the "f:ajax" in the buttons) and the result outputs in the last part are displayed and updated like a candy. Without any problem. To achive this with the composite component I googled and tried a lot. But I made it.
Then it comes the time to try the 4th to see the validation error of the "required" attribute.
I select again from all as before, but not from all. NOT from the 4th "h:selectManyCheckbox" this time. I select nothing from the 4th "h:selectManyCheckbox" to ckeck the validator error message ("requiredMessage"). The result is: It displays the message of error (GOOD until now), BUT this time it does not update anything from the others "h:selectManyCheckbox" to the output results at the end, and it does not reset the values as well as it was doing before (when I selected from all and from the 4th as well).
I understand that it says: as long as in the form the 4th failed with validation error, all the other "h:selectManyCheckbox" will not update the output results (something like wanting to fail all the others too).
But what really happes here?
- It does not give the values to the "h:selectManyCheckbox", to be updated to the output?
- It gives the vales to the "h:selectManyCheckbox" normally, BUT it just not updates the output?
The other efforts in the "f:ajax" in the buttons, are just efforts maybe to solve the problem but in these cases they don't even display the error message in the 4th case and of cource they don't update the other output results as well (again). But no message error as well.
I don't know if the problem is clear to you. I can explain in the discussion better so I can clarify the situation better. [To be honnet it took me 1 and half hour to write all this thing]
Thanks a lot in advance
========== Snippet from my page ==========
...ANSWER
Answered 2021-Jun-15 at 14:11After a lot of discussing with the only person who wanted to help to my issue here (and I thank him @WoAiNii for this a lot), I decided to post my solution:
I will make 5 different forms with 5 set of buttons (submit/reset), to make escalate this problem, for 5 so much related components in the form.
But my question is open: Why this is happening, what rule in JSF in this case is taking place and makes this situation. Anyone, comes with an explanation:
- Thomas: this is a rule in JSF, or
- is a JSF bug, or
- this happens in these cases, or... whatever...,
I will be glad to read it here so I will learn better, and others to will learn from these ideas of yours. Thanks a lot
QUESTION
I am creating an array of form elements by copying field in Javascript. I could not use ID's because the fields are system generated.
What I need is a way to copy the selected text from a drop down and
paste it into the very next input box
.
My Layout:
...ANSWER
Answered 2021-Jun-15 at 00:01Want you want to do is transverse the DOM tree from your element till you get to your
.
One way you can do this is by using the closest()
DOM method to get the parent or parent
. From there you can find the sibling
by using
nextElementSibling
, and then the input from there, or find the input from the parent using
querySelector()
QUESTION
My Issue: I have a dataset of continuous values, but need to generate more "artificial" data points so that I have enough power to do some analyses.
My proposed solution: Sample from the density distribution of the dataset by dividing the dataset into bins of equal width and then sampling a random number from that bin's range based on its height. Something like this:
My Attempt:
...ANSWER
Answered 2021-Jun-01 at 15:14Can something like this will do? x
is small vector and y
is extra generated value. Finally c(x,y)
will serve your purpose
QUESTION
I have the following regex expression:
...ANSWER
Answered 2021-May-30 at 12:13You could restructure your search:
QUESTION
I would like to add for each category within the Customer_Acquisition_Channel
column all values in Days_To_Acquisition
column to a separate df.
All Customer_ID vales are unique in dataset below
DF
...ANSWER
Answered 2021-May-23 at 23:12You can iterate through unique values of the channel column and create new dataframes, change the column names, and append them to a list:
QUESTION
Trying to pass some parameters in JQuery Datatables, its working fine on init. But when I try to refresh the datatable the values are received as empty on controller side. Here is the code:
...ANSWER
Answered 2021-May-23 at 22:27You will need to pass the parameters via jquery datatable like below:
QUESTION
I want to achieve the following result in D:F
4 digit numbers are assigned to the correct number in column D, and every percentage in column F is assigned to the correct value in column E.
I used for the splitting part (fe. 40218 gets to 40 in column D & 0218 in column E) the following code, of course with a lot of help by this forum. The code is a called sub by a precending sub. I can not use both in combination anymore because i had change the precending code by its advanced filter (first it was filtered just on the output which you can see in column H, i adapted it and therefore column I & J were also submitted to the output range). Anyway it fine for me if i use H:J
as my starting point. This just as a quick explanation why the sub splitByChars
includes Paramaters ByRef & ByVal
So Range H:J
is the new Start Point Zero.
ANSWER
Answered 2021-May-21 at 16:21Option Explicit
Sub mymacro()
Dim wb As Workbook, ws As Worksheet
Dim iLastRow As Long, i As Long
Dim sPcent As String, s As String, colD As String, colE As String
Dim dict, key, ar
Set wb = ThisWorkbook
Set ws = wb.Sheets(1)
Set dict = CreateObject("Scripting.Dictionary")
' process data
iLastRow = ws.Cells(Rows.Count, "H").End(xlUp).Row
For i = 3 To iLastRow
s = ws.Cells(i, "H")
sPcent = Format(ws.Cells(i, "I"), "0.00")
If Len(s) > 4 Then
colD = Left(s, Len(s) - 4)
colE = Right(s, 4)
Else
colD = s
colE = ""
End If
key = colD & vbTab & sPcent
If dict.exists(key) Then
If Len(colE) > 0 Then
dict(key) = dict(key) & "," & colE
End If
Else
dict.Add key, colE
End If
Next
' output result
ws.Range("D1:G1") = Array("a", "b", "c", "d")
ws.Columns("D:G").NumberFormat = "@"
i = 2
For Each key In dict.keys
ar = Split(key, vbTab) 'colD,pcent
ws.Cells(i, "D") = ar(0)
ws.Cells(i, "E") = dict(key)
ws.Cells(i, "F") = ar(1)
ws.Cells(i, "G") = "%"
i = i + 1
Next
MsgBox "Done"
End Sub
QUESTION
So I am a beginner in java.
Yesterday while writing a code for thread synchronization I came across an error java.util.NoSuchElementException
. Code and the error are specified below. Here the shared variable among threads is a
. From what I can guess from the error the variable b
is having problems in taking the second value.
ANSWER
Answered 2021-May-08 at 11:38As commented, by closing the Scanner
, you close the System.in
.
The latter scanner will get an exception when it realizes System.in
is closed.
One way to fix it will be not to close the scanner.
By the way, ThreadP1
, ThreadP2
seem to do the same thing. Consider creating 2 instances of the same class instead.
QUESTION
I am stuck at this point, I am trying to clean the row name of a table using postgresql. The table is for districts in wales and England.
What I am trying is to delete the strings 'District', '(B)', 'London Boro' and everything before the hyphen in the dual English - Welsh name, for example (Swansea - Abertawe) I would like to eliminate everything before the hyphen (I would like to know how to do it in both direction anyway) and get (Abertawe). I manage with the first 3 strings but with the part of hyphen I cannot find the solution to the issue.
I have tried using replace and trim but I don't obtain the result desired.
This is code as I have tried the last time:
...ANSWER
Answered 2021-May-07 at 14:54Use Case statement to distinguish both of the conditions and use Position
function to check the -
exist or not.
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