Stack Overflow
Stack Overflow

Questions tagged [amazon-forecast]

Use the tag on the topics that relate to, the Amazon Forecast, a fully managed service that uses machine learning to deliver highly accurate forecasts.

40 questions
8
votes
1 answer

AWS Forecast. Too few observations for number of items

I am trying to do some tests with Amazon Forecast. I have tried now two different datasets which look like so: 13,2013-03-31 19:25:00,93.10999 14,2013-03-31 19:35:00,93.5 15,2013-03-31 19:40:00,93.64 16,2013-03-31 19:50:00,93.74 17,2013-03-31…
rygo6
  • 1,929
  • 22
  • 30
4
votes
1 answer

'TypeError: catching classes that do not inherit from BaseException is not allowed' when trying to mock an exception

I am trying to test a block of code which interacts with the Amazon Forecast service, which looks very similar to the example provided at…
ratiugo
  • 53
  • 1
  • 4
2
votes
1 answer

Amazon Forecast Query Java Integration

I am looking for JAVA example of Amazon Forecast API so I can integrate this in my JAVA Application. I searched and didn't found any solution, even I raised a support ticket with the AWS team and they are also unable to provide that which I am…
Mayur Agarwal
  • 869
  • 10
  • 28
2
votes
1 answer

Augmenting forecasts with knowledge of some future events

When using AWS Forecast, is there some way to augment our model with "partial future information" in order to improve forecasts? I have been getting quite solid looking predictions from AWS Forecast so far, but suspect that I could improve the…
Dan
  • 445
  • 1
  • 6
  • 15
1
vote
0 answers

what should be my forecast data size if i got 2 years as initial data

I got 2 years of training data for forecasting, usually i used 2 years data as training and 1 year data for forecasting. but recently i used Amazon forecast instance in that they have a constrain for giving forecast data size like initial data size…
mass
  • 31
  • 4
1
vote
0 answers

is it possible to use Amazon Forecast without Amazon S3?

I am learning the Forecast tool and would like to know if it is possible to use Forecast without S3? Send the data directly to forecast without going through the s3 bucket. If possible, could you give me an example? thanks! All the information I…
David Rivera
  • 11
  • 2
1
vote
0 answers

AWS CNN-QR forecast without futurefilling

I am currently using AWS Forecasting service. I have filling policy for related data set. Since I use CNN-qr I do not declare future filling for filling, however It gives an error as follows. Why is that so ? An error occurred…
anonymous
  • 21
  • 2
1
vote
1 answer

How can I export a model (Predictor) trained on Amazon Forecast?

On Amazon Forecast, how can I export a model (a Predictor in Forecast lingo) that I already trained? For example, export an ARIMA or Prophet model weights to a file t be downloaded or stored on S3. Running forecasts on new data is just too slow and…
Luiz Tauffer
  • 463
  • 6
  • 17
1
vote
1 answer

Manually sending missing values to Amazon Forecast

I am trying to use Amazon forecast for the first time. After reading the documentation, I want to manually fill the missing values in my dataset. I want to make sure that Amazon understands well what I am sending. My missing values are mainly…
Hammerbot
  • 15,696
  • 9
  • 61
  • 103
1
vote
0 answers

List all forecast CSV files exported to AWS S3 bucket when using AWS Forecast Export Job

I have trained a Predictor on AWS Forecast, and used it to make some forecasts. I want to get these forecasts as CSV files. To do so, I created a "ForecastExportJob". After the exportation is done, I can successfully see the CSV files in my S3…
yoyoog
  • 255
  • 1
  • 10
1
vote
1 answer

AWS Forecast cannot train the predictor due to missing data

This question is close, but doesn't quite help me with a similar issue as I am using a single data set and no related time series. I am using AWS Forecast with a single time series dataset (no related data, just the main DS). It is a daily data set…
Alicia
  • 121
  • 1
  • 12
1
vote
0 answers

Gluon TS. Next day forecast error and question

Good day! I am trying to forecast for 1 day into the future with Gluon TS. My dataset looks like this: df: Date Volume Jan1 100 ... June1 99 June2 105 June3 90 June4 NaN How do I forecast 1 day into the future (June4)? I have tried the following as…
skybullet1987
  • 11
  • 1
1
vote
2 answers

Amazon Forecast: [ERROR]: Too few observations (n) for number of items (n),averaging 1.000 observations per item

I am trying to import time-series data to the Amazon forecast. While importing the dataset group, I am getting an error saying Too few observations (1055) for the number of items (1055), averaging 1.000 observations per item My dataset has 1055…
MagicWand
  • 33
  • 1
  • 5
1
vote
1 answer

Amazon forecast takes long time to forecast

Like the title says the forecast generating takes a long time. I am updating the data (target and related data) and i already have pretrained a predictor. The target dataset is relatively small and it has granularity of 1 hour. On each forecast…
LexByte
  • 382
  • 4
  • 15
1
vote
2 answers

How to properly use in_stock in Amazon Forecast related time series

I'm trying to understand the data required for Amazon Forecast to create a demand forecast using my historical sales data. I've read through the documentation many times. I am still confused as to how the "in_stock" field in a related time series is…
flyingL123
  • 7,686
  • 11
  • 66
  • 135
1
2 3