search for: sains

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2007 Feb 28
3
Datamining-package rattle() Errors
...gt; > and provide commented, minimal, self-contained, reproducible code. > > > > > > > > > > > > > > > > -- > > > Lecturer J. Joshua Thomas > > > KDU College Penang Campus > > > Research Student, > > > University Sains Malaysia > > > > > > > > > > > -- > > Lecturer J. Joshua Thomas > > KDU College Penang Campus > > Research Student, > > University Sains Malaysia > > > > [[alternative HTML version deleted]] > > > > ___________...
2017 Sep 04
1
Dataframe Manipulation
Hello Ulrik, Can you please explain this code means how and what this code is doing because I'm not able to understand it, if you can explain it i can use it in future by doing some Lil bit manipulation. Thanks data_help <- data_help %>% mutate(Purchase_ID = 1:n()) %>% group_by(Purchase_ID) %>% do(split_items(.)) cat_help %>% gather("Foo",
2017 Oct 04
3
RFM Analysis Help
I'm trying to perform a RFM analysis on attached dataset, i'm able to get the results using the auto_rfm function but i want to define my own breaks for RFM, when i tried to define my own breaks i got the identical result i.e 111 for every ID. please help me with this with working R script. Thanks hemantsain.com
2017 Aug 31
0
Dataframe Manipulation
Hi Hemant, the solution is really quite similar, and the logic is identical: library(readr) library(dplyr) library(stringr) library(tidyr) data_help <- read_csv("data_help.csv") cat_help <- read_csv("cat_help.csv") # Helper function to split the Items and create a data_frame split_items <- function(items){ x <- items$Items_purchased_on_Receipts %>%
2017 Aug 30
1
Dataframe Manipulation
by using these two tables we have to create third table in this format where categories will be on the top and transaction will be in the rows, On 30 August 2017 at 16:42, Hemant Sain <hemantsain55 at gmail.com> wrote: > Hello Ulrik, > Can you please once check this code again on the following data set > because it doesn't giving same output to me due to absence of quantity,a
1998 Mar 03
1
NT4 User Unable to log in to Samba 1.9.17p5
I've got a user here that is unable to connect to any of the Samba shares that are available -- in fact, she doesn't even get past the username / password validation step. The message that Samba puts into the logs is as follows : NT Password did not match ! Defaulting to Lanman To narrow down the problem, I logged onto her machine as myself (from the same domain also) and then got onto
2017 Oct 13
2
How to define proper breaks in RFM analysis
> On Oct 13, 2017, at 2:51 AM, PIKAL Petr <petr.pikal at precheza.cz> wrote: > > Hi > > You expect us to solve your problem but you ignore advice already recieved. > > Your data are unreadable, use dput(yourdata) instead. see ?dput > >> test<-read.table("clipboard", heade=T) > Error in scan(file = file, what = what, sep = sep, quote = quote,
2017 Oct 23
1
How to define proper breaks in RFM analysis
hello, I'm confused what you guys are talking about. i just want to set ideal threshold values for my RFM scores which can be done using Quantiles but i don't want to use quantiles because my data is not normally distributed so it will lead to wrong ranges of breaks. to fix this problem I'm looking for an approach which can define the ideal range to breaks to categorize RFM scores into
2006 May 09
1
Convert Text File Data into *.RData
...ACW311 7 3 ACW321 31 4 ACW342 39 5 6 7 Now my question is how do i /*convert text file Data into *.RData* which i can use as a dataset/data.matrix whereby i can use it for clusplot. Thanks in Advance, JJ --- -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia [[alternative HTML version deleted]]
2006 May 10
1
Until the key pressed: FOR-LOOP-Clustering
...n here, is how to put this in a *loop form* or any other methods are available? I tried with:* clarax$clusinfo I thought of doing it to activate Device (1) & (2)* ** *Really need anyones help!* ** *JJ* *---* -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia [[alternative HTML version deleted]]
2006 Aug 22
2
Rgraphviz installation Problem
...or.org and put inside R2.3.0 library then i installed from the local zip its says package 'graph' couldnot be loaded. Am i doing the installation correctly? Still the new user. Can you guide me sir? JJ -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia [[alternative HTML version deleted]]
2007 Feb 28
1
Datamining-package-?
...Data preprocessing methods in Datamining. Is there any package in R2.4.0 to support DM? or what is the suitable package that i can adopt do the work? Kindly need your assistance. Thanks & Regards JJ --- -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia [[alternative HTML version deleted]]
2007 Mar 07
1
Fwd: Package-RODBC-MSACCESS
I have used RODBC to get the database i can view the tables in RGUI-2.4.1 how can i query the records in R> i tried with sqlQuery need some help JJ -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia [[alternative HTML version deleted]]
2007 Mar 13
1
Rattle() GGobi()-Plots- How to save?
...catter plot matrix in any type of image format. But it save as *.xml file how can i reterive the *.xml into *.bmp or *.png? I have tried the Export button in Rattle() not much options. Need the group help JJ -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia [[alternative HTML version deleted]]
2017 Oct 13
0
How to define proper breaks in RFM analysis
Hemant's problem is that the indicators are not distributed uniformly. With a uniform distribution, categorization gives a reasonably optimal separation of cases. One approach would be to drop categorization and calculate the overall score as the mean of the standardized indicator scores. Whether this is an option I do not know. I did offer an "eyeball" set of breaks in a previous
2017 Oct 11
0
RFM analysis
Hi Hemant, Let's take it one step at a time. Save this code as "qdrfm.R" in your R working directory: It includes the comments I added last time and fixes a bug in the recency scoring. qdrfm<-function(x,rbreaks=3,fbreaks=3,mbreaks=3, date.format="%Y-%m-%d",weights=c(1,1,1),finish=NA) { # if no finish date is specified, use current date if(is.na(finish))
2007 Mar 10
2
read a irregular text file data into dataframe()
...0042 0055 0010 0012 0018 0054 0010 0034 0042 0102 0081 0001 0076 0085 0080 0086 0017 0032 0081 0004 0010 0055 0010 0042 0061 0080 0010 0017 0078 0084 0006 0010 0040 0042 0075 0080 0005 0028 0032 0006 0010 0040 0061 -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia [[alternative HTML version deleted]]
2017 Oct 09
2
Help RFM analysis in R (i want a code where i can define my own breaks instead of system defined breaks used in auto_RFM package)
I seriously doubt that you are running the code I sent. What you have probably done is to run your data, which has a different date format, without changing the breaks or the date format arguments. As you haven't provided any example that shows what you are doing, I can't guess what the problem is. Jim On Mon, Oct 9, 2017 at 9:40 PM, Hemant Sain <hemantsain55 at gmail.com> wrote:
2007 Mar 20
1
[Re: Dovecot - with LDAP auth backend]
...tc/dovecot-ldap.conf > > user_attrs = > > homeDirectory=home,uidNumber=uid,gidNumber=gid,mailquota=quota > Here you override it. See the LDAP example at the bottom of http://wiki.dovecot.org/Quota Date: Mon, 19 Mar 2007 16:57:48 +0800 From: Shahmat Dahlan <shahmatd at sains.com.my> Subject: [Dovecot] Dovecot - with LDAP auth backend To: dovecot at dovecot.org Message-ID: <45FE508C.8070305 at sains.com.my> Content-Type: text/plain; charset="iso-8859-1" I have the following installed (1) CentOS 2.6.9-42.ELsmp (2) dovecot-1.0-3_50.rc27.el4.at, (3) ope...
2006 May 23
0
Plotting problem-Dendrograms Help!!
...ZCT103 7 ZCT104 5 ZCT106 13 ZCT205 23 ZCT207 26 ZCT208 21 ZCT218 3 ZCT304 38 ZCT317 5 ZGE373 8 ZGE377 28 ZGM278 8 ZGT162 22 ZGT264 5 ZGT267 33 ZGT269 24 ZGT270 18 ZGT374 21 ZGT379 32 ZSC546 13 -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia -- Lecturer J. Joshua Thomas KDU College Penang Campus Research Student, University Sains Malaysia [[alternative HTML version deleted]]