similar to: has_one mapping with arbitrary right and left hand side keys

Displaying 20 results from an estimated 500 matches similar to: "has_one mapping with arbitrary right and left hand side keys"

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 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
2020 Feb 20
3
Pregunta sobre rLandsat
Hola Ángel: Yo creo que tendrías que establecer el sistema de coordenadas de referencia de tu objeto raster antes de salvarlo como GTiff. Algo así: crs(r1) <-"+proj=utm +zone=14 +datum=WGS84" Saludos, Marcelino. El 20/02/2020 a las 1:42, Angel Cervantes escribió: > Hola a todos, quisiera pedirles su ayuda. Estoy tratando de crear un raster a partir de una tabla de datos
2009 Oct 11
1
passing model data to a plugin called within that model
I am making a plugin which extends ActiveRecord::Base I have the plugin working in my models in other aspects. I would like to pass in some data to the plugin, but I can''t get the data I would like. so if I have: class Stuff < ActiveRecord::Base belongs_to :thing my_plugin :id => self.thing.other_id end it chokes on figuring out what to do with self.thing.other_id.
2017 Aug 30
3
Dataframe Manipulation
Hey PIKAL, It's not a homework neithe that is the real dataset i have signer NDA for my company so that i can share the original data file, Actually I'm working on a market basket analysis task but not able to convert my existing data table to appropriate format so that i can apply Apriori algorithm using R, and this is very important me to get it done because I'm an intern and if i
2005 Jan 19
0
ip route, rule and TOS
Hello, if I use : # ip rule add tos reliability iif lo lookup table_1 # ip route add default via <@IP> table table_1 It seems that the response packets for the ones send with a TOS of "reliability" need to have the same TOS or they are drop by the kernel (2.4.25). Why ? Francois-Xavier _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl
2010 Jul 07
3
use sliding window to count substrings found in large string
Hello together, I'm looking for advice on how to do some tests on strings. What I want to do is the following: (just an example, real strings/sequence are about 200-400 characters long) given set of Strings: String1 abcdefgh String2 bcdefgop use a sliding window of size x to create an vector of all subsequences of size x found in the set (order matters! ). Now create, for every string
2020 Feb 19
2
Pregunta sobre rLandsat
Hola grupo, estoy siguiendo una gu?a de la librer?a rLandsat que me la he descargado de: devtools::install_github("socialcopsdev/rLandsat") Y tras hacer los siguiente (obviamente tengo me he registrado previamente en la api correspondiente): product_id = c("LC08_L1TP_145049_20180301_20180308_01_T1", "LC08_L1TP_145049_20170330_20170414_01_T1",
2006 Jul 17
4
Inner SELECT-s in Rails
Is there a proper way of doing inner selects in rails. Basically, I run in issues where I need the count of a query and end up using find_by_sql. I was wondering if there was any elegant way of doing such queries. Roland -- Posted via http://www.ruby-forum.com/.
2012 Mar 20
0
[LLVMdev] Runtime linker issue wtih X11R6 on i386 with -O3 optimization
I was told that my writeup lacked an example and details so I reproduced the code that X uses and I was able to boil down the issue to a couple of lines of code. Sorry again for the length of this email. Code was compiled on OpenBSD with clang 3.0-release. ======================================================================== With -O0 which works as X expects:
2010 Oct 21
2
Adding rows to column
I'm new to R. I'm extracting important columns from single table using following code: File2<-"file.txt" table2<- read.delim(File2, skip=19, sep=";", header=F, na.strings=NA, fill=T) #extracting column 7 where rows match "ID" col1<- table2[grep("ID", table2[,1]),7] #similarly extracting column 9,11,13,15 col2<-
2011 Jul 08
0
homogenized cells problem with IF
Hello, Sorry if it's a simple question, this is my first script complex, but can not find solution in the list I have many TXT files with daily data of meteorological stations and a table that connects it with each of these stations. (More than one table per station and date). With the Script attempt: º1 Fit the data and create a regular series from 01.01.2000 to 12.31.2010 data for all
2004 Sep 23
0
two internet connections don''t appear to be masqing
I have a script for dual internet connections that does this: ------------------------- #!/bin/bash IF1=eth1 IP1=203.219.190.106 P1=203.219.190.105 P1_NET=203.219.190.104 IF2=eth2 IP2=220.245.224.46 P2=220.245.224.45 P2_NET=220.245.224.44 IF0=eth0 P0_net=192.168.0.0 TABLE1=inet1 TABLE2=inet2 ip route add $P1_NET dev $IF1 src $IP1 table $TABLE1 ip route add default via $P1 table $TABLE1 ip
2006 Feb 28
2
Need help with a Power Find()
I was hoping someone would be able to help me with creating a method. I have two tables. What I am trying to do is create a list of all the id''s from table2 that aren''t currently referenced by Table1''s address_id column. That way, when I create a new customer I can have a drop down list in the view of all the addresses that are not currently being used. ##### Database
2012 Jan 03
1
sqldf and not converting integers to floating point in SQLite
Hi, I have following 2 tables: Table 1: POSTAL | VALUE 1000|49 1010|100 1020|50 Table 2: INSEE | POSTAL A|1000 B|1000 C|1010 D|1020 I would like to convert this to the following: INSEE | VALUE_SPREAD A|24.5 B|24.5 C|100 D|50 I can achieve this with a nested SQL query (through counting the number of POSTAL that belong to any given INSEE, and diving the value of the postal in that INSEE by
2012 Aug 26
3
Two selections from Bag A
All, I am looking at an example in Aliaga's Interactive Statistics. Bag A has the following vouchers. BagA <- c(-1000,10,10,10,10,10,10, 10,20,20,20,20,20,20,30, 30,40,40,50,60) Bag B has the following vouchers. BagB <- c(10,20,30,30,40,40,50,50, 50,50,50,50,60,60,60,60, 60,60,60,1000) Two values are selected (from BagA or BagB) without
2011 Dec 08
1
prop.test() and the simultaneous confidence interval for multiple proportions in R
Dear list members, I want to perform in R the analysis "simultaneous confidence interval for multiple proportions", as illustrated in the article of Agresti et al. (2008) "Simultaneous confidence intervals for comparing binomial parameter", Biometrics 64, 1270-1275. If I am not wrong the R function implementing the Agresti et al. method is prop.test(). I ask an help because I
2012 May 30
3
raw input prompt
Hello, I was wondering if there is a way to make a prompt for the user (exactly like raw_input() in Python), the response to which can then be used as an object. Thanks, Abir -- View this message in context: http://r.789695.n4.nabble.com/raw-input-prompt-tp4631852.html Sent from the R help mailing list archive at Nabble.com.
2006 Nov 04
0
one to many relationship; has_one
I''m new to ruby and rails and as a result am a bit lost on implementing a one to many relationship. In my DB I have 2 tables contents and locations, contents contains the foreign key location_id. I generated a content and a location model using rails scripts and then edited the models as follows class Content < ActiveRecord::Base has_one :location end class Location <