similar to: Remove a complete row as per the Range in a Matrix

Displaying 20 results from an estimated 2000 matches similar to: "Remove a complete row as per the Range in a Matrix"

2012 Aug 01
1
Error message: $ operator is invalid for atomic vectors
HI, The code was working perfectly fine yesterday and today, until half an hour ago.? Couldn't find any problems in the code. Still, I am getting error message. myMatrix <- data.matrix(read.table(text=" Name??????????? Age ANTONY??????? 27 IMRAN????????? 30 RAJ????????????????? 22 NAHAS????????? 32 GEO??????????????? 42 ", header=TRUE)) MinMaxArray? <- data.frame(MIN =
2012 May 25
4
Hash Table - Select and Change Data iniside Matrix
Hi, Here i have been a matrix like this, *NAME AGE PALCE TRUE/FALSE* ABC 20 INDIA XYZ 30 FRANCE PQR 40 USA MNO 30 KENIYA DEF 25 AUSTRALIA Here,* TRUE/FALSE* Column containing empty values. So my requirement what is , need to change all the *TRUE/FALSE *column value into "*TRUE*" where *AGE =
2012 May 30
3
Separate Array Variable Content
Hi, I am new in R, i have a matrix like this MyMatrix <- *ABC PQR XYZ* 10 20 30 40 50 60 70 80 90 And, i have an array containing some conditions like this, MyArray <- c("*ABC*>50","*PQR*<50","*ABC*<30 &* XYZ*<40") "ABC>50" "PQR<50" "ABC<30 & XYZ<40"
2012 Jun 14
3
Time difference between two dates/timing
Hi, Here, i have a matrix like this MyMatrix <- *DATETIME HEADER1 HEADER2* 1/1/2010 0:10 197.1947 100.0859 1/1/2010 0:20 203.8811 100.1013 1/1/2010 0:30 206.564 100.0433 1/1/2010 0:40 207.9563 99.9393 i want to get the time difference in minutes between two date. TimeDiff <- MyMatrix[1,1] - MyMatrix[2,1] TimeDiff
2012 May 28
2
Hash Table - Select and Change Data iniside Matrix Using "Between"
Hi, Here i have been an matrix like this, *NAME AGE PALCE TRUE/FALSE* ABC 20 INDIA XYZ 30 FRANCE PQR 40 USA MNO 30 KENIYA DEF 25 AUSTRALIA GTY 34 CANADA BNH 38 JAPAN Here, *TRUE/FALSE *Column containing empty values. So my requirement what is, need to change all the TRUE/FALSE
2012 Jul 13
3
Column create and Update using function
Hi, here i have a Max and Min values Min <-3 Max <-6 and also a matrix like this, ABC XYZ PQR ------ ------- ------- 2 4 3 5 4 8 7 1 3 In this i need to check each particular column values are between Max and Min value. If the coulmn value not coming between Max and
2012 Oct 05
4
Minute Difference
Hi, Here i have a time along with date, for eg:- "10/5/2012 5:05:00 AM" i need to do minus 10 minutes along current date Like this :- "10/5/2012 4:55:00 AM" Thanks in Advance Antony -- View this message in context: http://r.789695.n4.nabble.com/Minute-Difference-tp4645157.html Sent from the R help mailing list archive at Nabble.com.
2012 Jul 11
4
MODE , VARIANCE , NTH PERCENTAILE
Hi, Here i have an matrix like this, ABC PQR XYZ MNO ------ ------- ------ -------- 3 6 7 15 2 12 24 15 20 5 1 2 25 50 15 35 i need to get the "MODE" - for each column-wise "VARIANCE" - for
2012 Aug 17
8
Get the filename from the given path
Hi, Here i have a file path, for eg : - FPath <- "D:\\MyFolder\\MyFile.txt" HOW IS POSSIBLE TO GET THE FILE NAME FROM THIS GIVEN PATH ? - thanks in advance Antony. -- View this message in context: http://r.789695.n4.nabble.com/Get-the-filename-from-the-given-path-tp4640578.html Sent from the R help mailing list archive at Nabble.com.
2012 Jul 12
3
Add row into a Matrix witout headers from Function
Hi, Here i have a matrix like this, OLDMatrix <- X1 X2 X3 ----- ------ ------ 22 24 23 25 27 27 10 13 15 the thing is, im running two function(SUM,COUNT) to get output in another matrix called NEWMatrix NEWMatrix <- c("SUM",colSums(OLDMatrix )) NEWMatrix <- c("COUNT",colSums(!is.na(OLDMatrix
2012 Aug 27
3
String Handling() for Split a word by a letter
Hi, here im unable to run a string handle function called unpaste(). for eg:- a<- "12345_mydata" Actually my requirement what is i need to get , only 12345. Means that , i need the all letter as a word which is before of first " _ " - symbol of "a". i tried to do with unpaste, it says function not found. After that i tried with "strsplit() ". it
2012 Jun 12
3
R-SCRIPT Label Calling Method
Hi, here i have some code... a <-1 b <- b+1 c <- b+a/20 if c >5 { d<- 1 } else { d<- 0 } i want to repeat this code from the 2nd line [b <- b+1] without using loop. Actulay i want to use "*Label *" and call *GoTo* method like in other coding Languages. For eg:- like this, a <-1 *LabelBegin :* b <-
2012 Sep 11
5
Searching from Dataframe.
Hi, i have a dataframe containing some values. for eg:- MyDataFrame<- Name Age Place ------- ------ ----------- Aby 12 USA Raj 25 UK Romi 32 ENG Amy 31 IND My requirement what is, i have a search key word[it should search from all the columns], that i need to find out from this dataframe. If search keyword found , it
2012 Jul 24
4
ERROR : cannot allocate vector of size (in MB & GB)
Hi, Here in R, I need to load a huge file(.csv) , its size is 200MB. [may come more than 1GB sometimes]. When i tried to load into a variable it taking too much of time and after that when i do cbind by groups, getting an error like this " Error: cannot allocate vector of size 82.4 Mb " My requirement is, spilt data from Huge-size-file(.csv) to no. of small csv files. Here i will give
2012 Oct 08
2
Update CSV file content
Hi, Here i have a csv file, it contain like this NAME UPDATED --------- -------------- ABC INDIA XYZ UK My requirement what is, i need to change the value inside the csv file (instead of INDIA i need to make it USA). NAME UPDATED --------- -------------- ABC USA XYZ UK How can we update by writing into the csv file ? i dont want to delete entire data and
2012 May 29
2
Use variable inside Function for updating the matrix
Hi, Here i have a data frame like this, frame name is "dat" *NAME AGE ELIGIBLE* A 20 B 14 C 35 D 10 E 50 In this, i want to change the column '*ELIGIBLE*' status to '*YES*' If, AGE between 18 to 35 Which means that, i should get a put like
2012 Jul 10
2
Count of elements in coulmns of a matrix
Could you please tell me what is the function or method to get count of elements in all the columns in a matrix ? for eg :- ABC XYZ PQR ------ ----- ------ 2 3 4 4 5 5 4 3 2 Result will be like ABC XYZ PQR ------ ----- ------ 2 4 3 Could you please help me
2012 Sep 13
2
Remove serial number column in a Dataframe into CSV
Hi, i have an small doubt. How can we remove serial-number column while writing a dataframe in to a csv file ? for eg:- write.csv(MyDataFrame,"c:/MyData.csv") name place ----------- ----------- 1 antony uk 2 john usa 3 arjun ind here, in the csv file, serial number column is coming extra on the left-end side. i want to remove
2012 Aug 28
1
Unzip files from the given path to the destination path
Hi, Any idea to - Unzip files from a given path and sub-folders to the destination path ? - Thanks Antony. -- View this message in context: http://r.789695.n4.nabble.com/Unzip-files-from-the-given-path-to-the-destination-path-tp4641549.html Sent from the R help mailing list archive at Nabble.com.
2012 Aug 28
3
Get variable data Reading from the list
Here i have a variable MyVar <- data.frame(read.csv("D:\\Doc.csv")) And now i am storing this variable name into a list. MyList <- list() MyList [length(MyList )+1]<- "MyVar" Now what is the requirement is, i need to call the variable name "MyVar" from the list "MyList " and get the data.