rfm | Recency , Frequency & Monetary Value Analysis | Data Visualization library
kandi X-RAY | rfm Summary
kandi X-RAY | rfm Summary
Tools for RFM (recency, frequency and monetary) analysis. Generate RFM score from both transaction and customer level data. Visualize the relationship between recency, frequency and monetary value using heatmap, histograms, bar charts and scatter plots.
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rfm Key Features
rfm Examples and Code Snippets
Lines of Code : 29License : Non-SPDX (NOASSERTION)
Copyanalysis_date <- lubridate::as_date('2006-12-31')
rfm_result <- rfm_table_order(rfm_data_orders, customer_id, order_date, revenue, analysis_date)
rfm_result
#> # A tibble: 995 x 9
#> customer_id date_most_recent recency_days tra # Install rfm from CRAN
install.packages("rfm")
# Or the development version from GitHub
# install.packages("devtools")
devtools::install_github("rsquaredacademy/rfm")
rfm_rm_plot(rfm_result)
rfm_fm_plot(rfm_result)
rfm_rf_plot(rfm_result)
Community Discussions
Trending Discussions on rfm
QUESTION
I have kong ingress on GKE as follows, which has a default path "/" forwards to a web application written in nextjs that has keycloak integration.
...ANSWER
Answered 2022-Mar-09 at 09:53I fixed the issue using following manifest file:
QUESTION
I need to load a simple applet to my USIM card. Authentication is OK. I'm using OTA SMS-DELIVER via SmartCard to install CAP file.
Using these:
I couldnt find the right spec explaining "C482XXYY" in Header.cap, how it should be calculated,
this answer below helped me navigate, but for Method.cap loading - it still fails https://community.oracle.com/tech/developers/discussion/1753814/globalpaltform-load-command-data-field
I've written this loader: https://pastebin.com/pSXeDYyS
Every component in CAP file is in separate APDU with LOAD instruction. First 5 is loaded successfully with DATA=00, SW=9000, however on Method it fails. As you can see from my script, I've fixed Descriptor size to 0000 in Directory field. And in Header C482xxyy, where xxyy is calculated properly, which is a sum of all size fields in Directory, e.g.
...ANSWER
Answered 2022-Feb-07 at 01:35You can have a look into the GlobalPlatform project loader. It is LPGL, so directly using it as C code in other non LGPL projects is not possible.
[!!!!] LOAD - Method (FAILED)
80e800057007006d000911188c00048d00012c18197b0002037b00029210240303038b000388007a02318f00053d8c00062e1b8b00077a0120188b000860037a7a02228d00092d1d10076b101a8b000a321fae006b06188c000b7a06118d000c2c1903077b000d037b000d928b000e198b000f3b7a00c0000000
<< 9000 (should be 009000)
I assume that the log is the unwrapped logged before the commands are prepared for SCP80. A response of 9000 in OTA means usually "I received the command, but I don't know what to do with it". Is this 9000 command from the ENVELOPE response on the card? Are you sending the data over an SMPP connection?
Can you try your loading code with a simple HelloWorld Applet without any STK? It could be that your card is not supporting a version you are linking against, e.g. different ETSI releases. Then some method might not be supported and the loading fails.
QUESTION
I am working with the lifetimes library to build a customer lifetime value model. The library comes with a method called conditional_expected_number_of_purchases_up_to_time that allows you to predict purchases for each customer in your data set over a specified time period.
Here is the dataframe I am working with:
...ANSWER
Answered 2021-Nov-29 at 01:08You are calling df.apply(fn, axis=1) which returns a series that you assign to cf. Then you're comparing the series cf - eps to a constant, which returns an array of booleans. An array of booleans is ambiguous to use in a conditional expression which is what causes the error.
What I would do is define a function iterated_RCP(row) that takes as input a row of the dataframe and iterates RCP on that row until it converges. Then you can do something like df.assign(t_RCP=df.apply(iterated_RCP, axis=1)).
QUESTION
Question 1. When a SIM manufacture personalizes a SIM card and then the mobile operator hand it over to an end user, are there any usage for GlobalPlatform (GP) keys (ENC,MAC,KEK,...)?
As long as I know the SIM file structure or its applets are accessible by (KID/KIC/KIK) over OTA RFM and RAM. So there is no need to have GP keys when SIM is in hands of customers.
Are there anywhere special (e.g. during OTA interactions that we require GP keys or not)? As I understood correctly, GP keys are usable when we physically can access a SIM card and we can directly send APDUs to the SIM. Am I right?
Question 2. Is it possible to access SIM/USIM file structure using global platform commands (e.g. is it possible to read record, read binary) using GP keys and access which ISD has? Typically file structure is accessible based on access conditions defined in 3GPP TS 51.011/ETSI TS 151 011 using PIN and ADM keys. But is it possible using GP keys and access which ISD has?
...ANSWER
Answered 2021-Oct-01 at 00:41Q1:
I'm doing consulting for a MNO. All our plastic SIM cards are only using SCP80 (the OTA mechanism supporting SMS, CAT_TP, TCP, BIP) and more recent versions are also supporting SCP81 (OTA using HTTPs using a pre-shared TLS keys GlobalPlatform RAM). The SCP02 and SCP03 keys are rotated and not used. When using eSIM SCP03 is not even enabled in our case.
Q2:
No. But you can use OTA messages with e.g. SCP80 and wrap the read APDUs into RFM. With SCP02 /SCP03 this is not directly possible. But you could install an applet using SCP02/SCP03 with access to the file system and use this as tunnel if you do not have the ADMs.
QUESTION
I am building an RFM table in excel, and want to lookup against a score table I created. Using row 3 as an example in the pic below, when I use the vlookup true function which is supposed to return a close match from the recency rankings table the vlookup is pulling in a 5 in column F, instead of a 1. I am not looking to do an exact match as that is not how this analysis is structured.
Any thoughts on why the true statement in the vlookup is not returning correct values? Any thoughts on how to fix would be appreciated.
enter image description here
ANSWER
Answered 2021-May-19 at 06:14When you use TRUE as the final parameter in VLOOKUP (for "approximate match"), Excel (for whatever reason) stipulates that the corresponding values in the first column of the lookup range must be in ascending order. The prompt as you're typing the formula notes this
Therefore, re-order your lookup table and then the VLOOKUP values should populate as you expect them to
QUESTION
I have the following pandas Dataframe:
...ANSWER
Answered 2021-Apr-26 at 16:55- Prepare data:
QUESTION
I have a Dataframe with several column and below is first 3 columns in that dataframe:
...ANSWER
Answered 2021-Apr-26 at 15:37Create a dict for mapping -
QUESTION
I made a representation of a random forest tree in reprtree but I have too much nodes I think:
The line I wrote : RFM = randomForest(Rating ~., data = training)
I would like to take off some variables which are not relevant, but everything I write does not work; I tried :
RFM = randomForest(Customer_type, Rating, cogs, data = training) to have only those three variables but I still have an error.
Do you know how could I 'select' my variables in the dataframe without writing Rating ~. formula? I tried to change ntree but I still have too much nodes.
ANSWER
Answered 2021-Apr-16 at 09:30randomForest accepts a formula object. Try :
QUESTION
I'm a newbie in R, I'm trying to predict a Customer Type (member or normal customer in the store) in relation to different variables (Gender, total spent, rating, ...) with 1000 customers information in my dataframe. I created an algorithm with a random forest but the accuracy is around 49% (OOB error rate). I tried to use Importance(RFM) in order to get higher accuracy by not including not relevant variables but I end up with around a 51% accuracy... Does it mean there is no connection between all the features or is there a way to tune it to get higher accuracy ? Thank you so much.
...ANSWER
Answered 2021-Apr-18 at 10:45Without your data or a reproducible example, it is hard to really improve your model. I can suggest to you some procedures and packages that can help you a lot in this kind of task.
Have a look at the caret package, which is designed precisely for model tuning. The package is really well documented with lots of useful examples. Here I can show the general workflow to work with caret:
QUESTION
I'm really new to R and I want to make a random forest. However I keep getting the same error-
Error in model.frame.default, lengths of variables differ.
I know this issue has been solved in another topic by constructing a formula from strings with as. formula but I have really no idea how to do it. Can you help me please? Thank you.
ANSWER
Answered 2021-Apr-14 at 18:23Well what your error is, is that your independent variable is Rating from the df dataframe, but you selected data = training. This means that your random forest should take data from 2 different dataframes, which isn't possible.
I guess that randomForest(Rating ~ Customer_type, data = training) would work.
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