rows Questions
2
Solved
I have a large dataframe of doctor visit records. Each record (row) can have up to 11 diagnosis codes. I want to know how many non-NA diagnosis codes are in each row.
Here is a sample of the data:...
2
Solved
R: Selecting rows from a dataframe based on a set of values of interest appearing in certain columns
I have a large dataframe of doctor visit records. I want to select only those rows in which at least one of the 11 diagnosis codes listed is found in a specified set of diagnosis codes that I am in...
1
Solved
After searching many forums, I think my problem is how to type the question properly because I can't seem to find an answer remotely close to what I need, yet I think this is excel > mysql 101 by t...
2
On launch of app,
i want to show 10 rows,
at the bottom "Load 15 more",
on click on "Load 15 more" the next 15 rows should add to the bottom of the table
and again show "Load 15 more", until no r...
Flutter asked 31/3, 2010 at 7:5
2
Solved
So let's say I have a matrix, mdat and I only know the index number. How do I retrieve the column and row names? For example:
> mdat <- matrix(c(1,2,3, 11,12,13), nrow = 2, ncol=3, byrow=TRU...
1
Solved
I have a simple query that produces the below results:
SELECT month,transporttype,count(transporttype) as loads
from deliveries
group by month,transporttype
I would like to transpose the rows ...
5
Solved
I have a table, sort of like this:
ID | Chromosome | Locus | Symbol | Dominance |
===============================================
1 | 10 | 2 | A | Full |
2 | 10 | 2 | a | Rec. |
3 | 10 | 3 | B | F...
1
Solved
Possible Duplicate:
Combine rows in Access 2007
Access 2007 - Concatenate fields from one column in one table into a single, comma delmited value in another table
Currently I have a ...
Mundane asked 9/2, 2012 at 19:14
3
Solved
I have a table with arbitrary columns and rows. This fact is irrelevant though really, all I want to do is develop a function that will turn a row (or multiple rows) into a series of text inputs co...
Dehnel asked 20/1, 2009 at 23:40
2
Solved
I want to get color to alternate for the rows in a JasperReports subreport. I have all rows with the same background color but I want it to alternate. Can this be done?
Mweru asked 24/1, 2012 at 0:10
3
I have a data frame that looks like the one below creatively called "stats"
In psuedo-R code I would like to do this:
justMeans<-stats[rowname(stats)=="CD.Mean*",]
Where the * is a wildcar...
3
Solved
There is a table called contacts with columns id, name, address, ph_no etc.
I need to find out rows with the same name, if the rows count is more than 1, show those rows.
For example:
Table: conta...
Imparipinnate asked 30/11, 2011 at 13:12
5
Solved
I have the following data frame:
> str(df)
'data.frame': 3149 obs. of 9 variables:
$ mkod : int 5029 5035 5036 5042 5048 5050 5065 5071 5072 5075 ...
$ mad : Factor w/ 65 levels "Akgün Kasetç...
4
Solved
Every time I think I understand about working with vectors, what appears to be a simple problem turns my head inside out. Lot's of reading and trying different examples hasn't helped on this occasi...
2
Solved
Is there a matlab function which allows me to do the following operation?
x = [1 2 2 3];
and then based on x I want to build the matrix m = [1 2 2 3; 1 2 2 3; 1 2 2 3; 1 2 2 3]
1
I'm experiencing a weird behavior when using a secondary thread to refresh NSFetchedResultsController contents and I'd like to know it this is a common issue or I might be doing something wrong.
I...
Titty asked 8/6, 2011 at 11:48
9
Solved
<html>
<body>
<div id="content1">
<div id="text1">This text floats left</div>
<div id="images1"><img src="img.jpg" /></div> <!--Floats right--&g...
4
Solved
Input
row.no column2 column3 column4
1 bb ee up
2 bb ee down
3 bb ee up
4 bb yy down
5 bb zz up
I have a rule to remove row 1 and 2 and 3, as while column2 and column3 for row 1, 2 and 3 are the...
5
Solved
I have a table with columns sales(int), month(int). I want to retrieve sum of sales corresponding to every month. I need ouput in form of 12 columns corresponding to each month in which there will ...
Dendrochronology asked 29/4, 2009 at 11:20
5
Solved
This was one of my interview questions.
We have a matrix containing integers (no range provided). The matrix is randomly populated with integers. We need to devise an algorithm which finds those ...
3
Solved
1
Solved
Lets said I have the matrix M = ones(3); and I want to divide each row by a different number, e.g., C = [1;2;3];.
1 1 1 -divide_by-> 1 1 1 1
1 1 1 -divide_by-> 2 = 0.5 0.5 0.5
1 1 1 -divide...
4
Solved
I need to have a MsSql database table and another 8 (identical) processes accessing the same table in parallel - making a select top n, processing those n rows, and updating a column of those rows....
Leund asked 3/9, 2010 at 14:57
1
Solved
When I try to remove the last row from a single column data frame, I get a vector back instead of a data frame:
> df = data.frame(a=1:10)
> df
a
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
&...
1
Solved
I need to convert Database rows into columns and show the result in Gridview. My DB is as follows:
ID Hotel cDate Price
-----------------------------------------------
1 Hotel1 12/22/2009 12:00:00...
Whitson asked 22/12, 2009 at 12:55
© 2022 - 2024 — McMap. All rights reserved.