Tessera-Users

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Welcome to the Tessera user's group! This is the place to ask questions regarding Tessera and its various components: RHIPE, datadr, Trelliscope.

For guidelines on posting errors, please see here.

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hafen

6/18/14

Announcement

Error posting guidelines

Since there are so many possible combinations of components in an analysis environment (operating

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Announcement

Error posting guidelines

Since there are so many possible combinations of components in an analysis environment (operating

6/18/14

Jakub Paulina, … hafen19

6/3/16

Datadr divide() java error

Hi Jakub, I just wanted to check in to see if you were able to resolve your issue. Sorry I haven'

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Datadr divide() java error

Hi Jakub, I just wanted to check in to see if you were able to resolve your issue. Sorry I haven'

6/3/16

jeremiah rounds, … Ryan Hafen5

5/16/16

Does makeExtractable have some way to use a rhipe control object?

That's correct that you can set parameters globally with rhoptions, but often you want to set job

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Does makeExtractable have some way to use a rhipe control object?

That's correct that you can set parameters globally with rhoptions, but often you want to set job

5/16/16

jeremiah rounds, Ryan Hafen4

3/4/16

Procedure for converting a Rhipe map file to a DDO?

Oops I forgot the type=map. Thanks Ryan On Fri, Mar 4, 2016 at 12:38 AM, jeremiah rounds <

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Procedure for converting a Rhipe map file to a DDO?

Oops I forgot the type=map. Thanks Ryan On Fri, Mar 4, 2016 at 12:38 AM, jeremiah rounds <

3/4/16

wgmu...@gmail.com, Ryan Hafen6

2/24/16

permissions error in updateAttributes

I fixed an issue with the keys ... i had done something wrong when I created the keys which cut off

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permissions error in updateAttributes

I fixed an issue with the keys ... i had done something wrong when I created the keys which cut off

2/24/16

jeremiah rounds

1/31/16

plotly works in Trelliscope

I thought this was worthy of a public note because it involves the use of an unexported function.

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plotly works in Trelliscope

I thought this was worthy of a public note because it involves the use of an unexported function.

1/31/16

Trenton Charles Pulsipher, Ryan Hafen8

12/19/15

drRead.csv error on hdfs

Your code looks correct. I think there may have been some Hadoop error. Have you successfully run a

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drRead.csv error on hdfs

Your code looks correct. I think there may have been some Hadoop error. Have you successfully run a

12/19/15

Saptarshi Guha

12/15/15

Writing a large data/frame/ data.table to HDFS: ~ parallel rhwrite

Hello, I have a large data table, about 2MM rows. It takes few/several seconds (< a minute) to

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Writing a large data/frame/ data.table to HDFS: ~ parallel rhwrite

Hello, I have a large data table, about 2MM rows. It takes few/several seconds (< a minute) to

12/15/15

Saptarshi Guha, Ryan Hafen3

12/11/15

Using the state parameter in makeDisplay

This is fixed in 0.9.1 - just merged. Here are some examples: library(trelliscope) p <- divide(

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Using the state parameter in makeDisplay

This is fixed in 0.9.1 - just merged. Here are some examples: library(trelliscope) p <- divide(

12/11/15

jeremiah rounds, Ryan Hafen7

12/11/15

Strategy to use ddo localDiskConn and have a cut and paste, tar.gz, vdb?

Hi Jeremiah, Just wanted to confirm - are you satisfied with the way it is, or would you still like

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Strategy to use ddo localDiskConn and have a cut and paste, tar.gz, vdb?

Hi Jeremiah, Just wanted to confirm - are you satisfied with the way it is, or would you still like

12/11/15

Saptarshi Guha, White, Amanda M4

11/24/15

Shiny WebApp Not Reloading

I have to admit this is an unreliable way of getting it work. I tried it again and cleared browsing

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Shiny WebApp Not Reloading

I have to admit this is an unreliable way of getting it work. I tried it again and cleared browsing

11/24/15

ross.da...@gmail.com, … Ryan Hafen3

10/24/15

drRead functions using a multiple core single drive desktop

Hi Ross, Not an embarrassing question at all! If your data is small enough to read in in one go then

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drRead functions using a multiple core single drive desktop

Hi Ross, Not an embarrassing question at all! If your data is small enough to read in in one go then

10/24/15

jeremiah rounds

10/15/15

better to pre-split large csv files prior to calling drRead.csv

Hi, Is it best to split very large csv filesprior to calling drRead.csv (millions of lines)? drRead.

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better to pre-split large csv files prior to calling drRead.csv

Hi, Is it best to split very large csv filesprior to calling drRead.csv (millions of lines)? drRead.

10/15/15

jeremiah rounds

10/6/15

How does ddo() pass control to updateAttributes

I was inspecting datadr source code and I got curious about something: how does control from ddo(

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How does ddo() pass control to updateAttributes

I was inspecting datadr source code and I got curious about something: how does control from ddo(

10/6/15

Enzo, Ryan Hafen5

9/16/15

trelliscope and forecasting

You are absolutely right! I was thinking too much in the box (or not thinking at all!). Thanks On

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trelliscope and forecasting

You are absolutely right! I was thinking too much in the box (or not thinking at all!). Thanks On

9/16/15

Trenton Charles Pulsipher, Ryan Hafen3

9/9/15

makeDisplay() error: "Error in match.names(clabs, names(xi)) : names do not match previous names"

Thanks Ryan. That's all it took. I suppose that's what happens when you don't use

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makeDisplay() error: "Error in match.names(clabs, names(xi)) : names do not match previous names"

Thanks Ryan. That's all it took. I suppose that's what happens when you don't use

9/9/15

Enzo, Ryan Hafen2

9/8/15

dplyr and tessera

Hi Enzo, There is a section dedicated to this here: http://tessera.io/docs-datadr/#faq. See: "

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dplyr and tessera

Hi Enzo, There is a section dedicated to this here: http://tessera.io/docs-datadr/#faq. See: "

9/8/15

Enzo

8/25/15

What is the difference between H2O and Tessera?

What is the difference between H2O and Tessera? It seems to me that on paper they have similar

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What is the difference between H2O and Tessera?

What is the difference between H2O and Tessera? It seems to me that on paper they have similar

8/25/15

jeremiah rounds, hafen4

8/14/15

datadr example attribute

BTW thanks for the feedback on local disk. An ideal situation for local disk would be an array of

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datadr example attribute

BTW thanks for the feedback on local disk. An ideal situation for local disk would be an array of

8/14/15

jeremiah rounds, Ryan Hafen2

8/14/15

The hazard of getting a kvMemory object with divide(ddf(df))

Thanks Jeremiah. That is indeed a good observation - thanks for sharing. The general idea for datadr

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The hazard of getting a kvMemory object with divide(ddf(df))

Thanks Jeremiah. That is indeed a good observation - thanks for sharing. The general idea for datadr

8/14/15

Nicholas Knauer, … Saptarshi Guha3

8/4/15

Combining RBokeh and Trelliscope

The details might not make sense, but hope you get the structure library(rbokeh) library(trelliscope)

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Combining RBokeh and Trelliscope

The details might not make sense, but hope you get the structure library(rbokeh) library(trelliscope)

8/4/15

Lisa Bramer

7/13/15

Pushing to shinyapps from a Windows machine

If I want to use the "deployToShinyApps()" function for a trelliscope display, I get the

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Pushing to shinyapps from a Windows machine

If I want to use the "deployToShinyApps()" function for a trelliscope display, I get the

7/13/15

Enzo, Ryan Hafen2

7/13/15

trelliscope with 2 graphs in the same panel

Hi Enzo, Yes, this is possible - you can do it with as many plots as you wish. This is handled with

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trelliscope with 2 graphs in the same panel

Hi Enzo, Yes, this is possible - you can do it with as many plots as you wish. This is handled with

7/13/15

ymzh...@gmail.com, Saptarshi Guha2

7/9/15

Rhipe issue

Sometimes (unfortunately) the errors dont'c ome back to the console. If possible go to the job

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Rhipe issue

Sometimes (unfortunately) the errors dont'c ome back to the console. If possible go to the job

7/9/15

Enzo, Ryan Hafen2

7/6/15

calling trelliscope from another shiny app

If you have a trelliscope display running on a server, then you certainly can point to a trelliscope

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calling trelliscope from another shiny app

If you have a trelliscope display running on a server, then you certainly can point to a trelliscope

7/6/15

Enzo, Ryan Hafen2

7/6/15

convert from data.table into a "distributed data frame" stored on disk

Good question. Assuming there is enough memory, fread will certainly be much faster than drRead.csv.

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convert from data.table into a "distributed data frame" stored on disk

Good question. Assuming there is enough memory, fread will certainly be much faster than drRead.csv.

7/6/15

rwomack, Ryan Hafen6

6/30/15

No display in Trelliscope

Hi Ryan, Excellent!! Thanks for bringing this to my attention. It looks like a great resource for the

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No display in Trelliscope

Hi Ryan, Excellent!! Thanks for bringing this to my attention. It looks like a great resource for the

6/30/15

Aleksander Eskilson, Ryan Hafen3

6/2/15

Merge-like operation for DDFs

Hi Ryan, Thanks for the reply. It makes sense to perhaps have other elements of the Hadoop stack

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Merge-like operation for DDFs

Hi Ryan, Thanks for the reply. It makes sense to perhaps have other elements of the Hadoop stack

6/2/15

Aleksander Eskilson, Ryan Hafen3

6/1/15

Type Errors in drRead.table

Hi Ryan, That implementation detail is quite interesting, I wasn't aware. The load works using

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Type Errors in drRead.table

Hi Ryan, That implementation detail is quite interesting, I wasn't aware. The load works using

6/1/15

5/28/15

java.io.FileNotFoundException: Cannot access directory error

Hi, I have a problem reading a CSV file from HDFS in Tessera in a non-AWS cluster. I hope someone

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java.io.FileNotFoundException: Cannot access directory error

Hi, I have a problem reading a CSV file from HDFS in Tessera in a non-AWS cluster. I hope someone

5/28/15

hh, Ryan Hafen2

5/8/15

RHIPE and MapReduce v1

RHIPE v0.75 is mr2 only. Although they are supposed to be compatible, there were too many nuanced

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RHIPE and MapReduce v1

RHIPE v0.75 is mr2 only. Although they are supposed to be compatible, there were too many nuanced

5/8/15