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12 results for “from:e-mail ma015k3113”

Connect to Oracle database via ODBC
e-mail ma015k3113 · Aug 5, 2019 · r-help

Dear All, can anyone point me towards information for connecting to a Oracle instance via DSN. I have already established a ODBC connection. Sorry if this is very elementary-I am just getting started with R after using SAS for...

Looping through a dataframe
e-mail ma015k3113 · Jul 21, 2020 · r-help

Dear All, I have a dataframe which has a few thousand companies with unique company numbers and names and each company has data for several years and each year is stored in a separate row. I want to get a...

Converting POSIXct format date to Character format
e-mail ma015k3113 · Mar 24, 2021 · r-help

I have a data frame "PLC" which has two variables Year_END_Date EPS YEAR_END_Date EPS 2010-09-10 .10 2009-08-10 .20 When I tried to convert Year_END_Date to character format using select(PLC...

Looping through data error
e-mail ma015k3113 · Apr 13, 2021 · r-help

Dear All,I have a dataframe with 4 variables and I am trying to calculate how many shares can be purchased with ?100 in the first year when the company was listed The data looks like: COMPANY_NUMBER YEAR_END...

Connect to Oracle database via ODBC
e-mail ma015k3113 · Aug 5, 2019 · r-help

Dear Marc, Thanks-much appreciated Kind regards Ahson > On 05 August 2019 at 12:54 Marc Schwartz <marc_schwartz at me.com> wrote: > > > > > On Aug 5, 2019, at 7:03 AM, e-mail ma015k3113 via R-help <r-help at...

Looping through data error
e-mail ma015k3113 · Apr 13, 2021 · r-help

Rui, excellent diagnosis and suggestion. It worked but my damn logic is still not delivering what I want-will spend more time on it tomorrow. Kind regards Ahson > On 13 April 2021 at 17:06 Rui Barradas <ruipbarradas at sapo...

Help understanding loop behaviour
e-mail ma015k3113 · Apr 29, 2021 · r-help

I am trying to understand how loops in operate. I have a simple dataframe xx which is as follows COMPANY_NUMBER NUMBER_OF_YEARS #0070837 3 #0070837 3 #0070837 3 1000403 4 1000403 4 1000403 4 1000403 4 10029943 3...

Connect to Oracle database via ODBC
e-mail ma015k3113 · Aug 5, 2019 · r-help

Dear Eric, thanks-much appreciated. Kind regards Ahson > On 05 August 2019 at 13:19 Eric Berger <ericjberger at gmail.com> wrote: > > Hi Ahson, > Many people use R via RStudio, an IDE that has both free and non-free versions...

Looping through data error
e-mail ma015k3113 · Apr 13, 2021 · r-help

Jim, thanks for taking the time to look into this. Yes, these if else statements are so confusing. I tried your amended scode and it does not work. The error are as follows: Error: unexpected '}' in " }" > NUMBER_OF_SHARES[i...

[EXT] Calculating the total change in shareprice over a time periond
e-mail ma015k3113 · Apr 1, 2021 · r-help

Dear David, thanks so much for your time and suggestion. It has worked now. Kind regards Ahson > On 31 March 2021 at 19:17 David K Stevens <david.stevens at usu.edu> wrote: > > > Mr. Blueyonder, > > There are a number of...

Calculating the total change in shareprice over a time periond
e-mail ma015k3113 · Mar 31, 2021 · r-help

Dear All, I have a data frame which is structured as follows: COMPANY_NUMBER COMPANY_NAME CITY YEAR_END_DATE CLOSE_SHARE_PRICE 22705 CARDIFF PROPERTY PUBLIC LIMITED COMPANY (THE)Egham 30/09/2005 NA 22705 CARDIFF PROPERTY PUBLIC LIMITED...

Looping thorugh dataframe
e-mail ma015k3113 · Jul 22, 2020 · r-help

Bert, thanks for responding to my email. I do realise that newbie's like my can expect curt answers but not to worry. I am definitely learning 'R' and what I posted are also statements from R. The statements run...

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