Stack Overflow
Stack Overflow

Questions tagged [knime]

KNIME (Konstanz Information Miner) is a user-friendly graphical workbench for the entire data analysis process.

KNIME is an open-source data analysis software, with various plugins from different areas. It has plugins from text mining to image processing, including the chemical structures and high throughput experiments.

KNIME Desktop is available for Windows, Mac and Linux under GPL v3 (or a custom license).

KNIME stands for Konstanz Information Miner and can be run on a centralized server with an integrated web interface or as standalone Rich Client. The client is based on the Eclipse Platform with the plugin and update mechanism. KNIME also offers job scheduling.

297 questions
1
vote
0 answers

Java Class "BCRSAPublicKey" Intermittently Not Found

Context Using KNIME 4.1.2, Windows 10, x64, JDK 1.8, Java Edit Snippet I am attempting to use the Java Snippet to read a CSV file, pgp encrypt it using a public key, and save the resulting file to a temporary folder I have been attempting to use…
Carl K
  • 974
  • 7
  • 18
1
vote
1 answer

Knime converting dataframes

I'm trying to convert this dataframe: into this dataframe in Knime Any suggestions?
EricB
  • 11
  • 2
1
vote
1 answer

Two Java strings same value differerent Eclipse ids don't HashMap right

Here is the code (class names are from Knime): HashMap rcols = new HashMap(); rightSpec.forEach(rs -> { rcols.put(rs.getName(), rs); }); DataColumnSpec[] jcols = leftSpec.stream() …
david.pfx
  • 10,520
  • 3
  • 30
  • 63
1
vote
1 answer

Eclipse exports an empty plugin

I wrote a plugin for eclipse ( knime ). But the jar generated by eclipse doesn't contain any class: jar tvf plugins/fr.inserm.umr915.knime4ngs.nodes_1.0.0.jar 0 Thu May 19 08:45:26 CEST 2011 META-INF/ 2543 Thu May 19 08:45:24 CEST 2011…
Pierre
  • 34,472
  • 31
  • 113
  • 192
1
vote
1 answer

Knime BigData Local Environment & findspark

I'm just wondering: is possible to access the BigData Environment Node launched in Knime? I have a node in a Knime workflow. From outside Knime, I wrote a Python script using findspark but ... it doesn't seem to detect it. Any example or proposal…
Julián Gómez Cuadrado
  • 23
  • 4
1
vote
1 answer

Knime MongoDBReader read an Object with an array in it

I tried to read an Object with the MongoDB reader and I always get the following error message: "ERROR MongoDB Reader 0:19 Execute failed: Invalid type 19 for field value". The typ of the field value is an Array. I want to read the…
TheRealWidi
  • 13
  • 2
1
vote
1 answer

Knime string replacer, replace everything until some special string

I have a smiliar question to this. I am also using the string manipulation node. Right now I have the following strings (in a column): Order[NN(STTS)] 523:10[CARD(STTS)] Euro12[NN(STTS)] I want to have the…
PV8
  • 5,799
  • 7
  • 43
  • 87
1
vote
1 answer

Knime loop to write csv file in different folder?

I am running a knime chunk loop to write always the same procedure in different csv files: The Part with the python script until the csv write is working, when I do it without loop, but somehow he is not writing in the customized folder path, if I…
PV8
  • 5,799
  • 7
  • 43
  • 87
1
vote
1 answer

Knime: If Contains Statement

I’m trying to familiarize myself with column expressions node but having difficulties, can someone help me write out an “if contains” statement? I’d like to say: if column(A) contains category or value or data then column (B) else I know that I…
UnknownValue
  • 11
  • 2
1
vote
1 answer

Export a KNIME workflow as a standalone application or JAR

Is there a way to export or compile a KNIME workflow as a standalone Java application or JAR? I'd like to run the workflow on a platform where KNIME cannot be installed and/or as part of a larger program to simplify a complex but isolated piece of…
Dylan Knowles
  • 2,726
  • 1
  • 26
  • 52
1
vote
2 answers

"Too few data elements" error in Knime CSV Reader

Receiving below error while execution of CSV file which includes around 400k rows Error: ERROR CSV Reader 2:1 Execute failed: Too few data elements (line: 2 (Row0), source:…
Shobha Dhingra
  • 11
  • 1
  • 2
1
vote
1 answer

Knime windows scheduler task without server

I'd like to run my knime workflow automated (with some period) without Knime server. I tried the windows task scheduler but it asks the "program to start with"(I also configured always open with knime option). I'm not sure that it's going to run…
erdemgunenc
  • 969
  • 3
  • 14
  • 25
1
vote
3 answers

Integration Authentication Error Microsoft SQL Server 2017 and Knime

There are a number of older posts on integrating a database with Knime, however I haven’t found any discussions regarding the latest versions of Java, Knime, and SQL. I have spent days looking at forums here and on StackOverflow and elsewhere trying…
canopymike
  • 11
  • 2
1
vote
1 answer

Missing values property not working in KNIME

I am trying to catch missing values as "missing" or "N/A" but nothing seems to working. In image I have tried "missing", "N/A", "Not Available" words but it skips the missing values when no element found on DOM. Is there any way to capture those…
Hemant Kumar
  • 1,025
  • 15
  • 32
1
vote
1 answer

S3 in KNIME: how to get object metadata including last modified date

Is there a native KNIME node to read the object metadata of a file in S3? I need to extract the last modified date of the file from S3. S3 Connector works fine and am able able to list remote files or download remote files successfully. I have tried…
knanne
  • 608
  • 5
  • 11
1 2 3
…
19 20