{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Add Calculated Fields" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Overview\n", "In this lesson we will clone a small example TEEHR Evaluation from S3 and work through the different ways to add calculated fields to the joined_timeseries table, save them to the joined_timeseries table on disk to persist them, or add them temporarily before calculating metrics. The first few steps for creating and cloning the TEEHR Evaluation should look familiar if you worked through the previous examples." ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "### Create a new Evaluation\n", "First we will import TEEHR along with some other required libraries for this example. Then we create a new instance of the Evaluation that points to a directory where the evaluation data will be stored." ] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [ { "data": { "text/html": [ " \n", "
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\\n\"+\n \"\n", " | name | \n", "description | \n", "url | \n", "
---|---|---|---|
0 | \n", "e0_2_location_example | \n", "Example evaluation datsets with 2 USGS gages | \n", "s3a://ciroh-rti-public-data/teehr-data-warehou... | \n", "
1 | \n", "e1_camels_daily_streamflow | \n", "Daily average streamflow at ther Camels basins | \n", "s3a://ciroh-rti-public-data/teehr-data-warehou... | \n", "
2 | \n", "e2_camels_hourly_streamflow | \n", "Hourly instantaneous streamflow at ther Camels... | \n", "s3a://ciroh-rti-public-data/teehr-data-warehou... | \n", "
3 | \n", "e3_usgs_hourly_streamflow | \n", "Hourly instantaneous streamflow at USGS CONUS ... | \n", "s3a://ciroh-rti-public-data/teehr-data-warehou... | \n", "