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debug and partial run of forecast anomalies
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emmamendelsohn committed Oct 31, 2023
1 parent 46fe1c7 commit 7711001
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23 changes: 20 additions & 3 deletions R/calculate_forecasts_anomalies.R
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,8 @@ calculate_forecasts_anomalies <- function(ecmwf_forecasts_transformed,
ecmwf_forecasts_transformed_directory,
weather_historical_means,
forecasts_anomalies_directory,
model_dates, lead_intervals,
model_dates_selected,
lead_intervals,
overwrite = FALSE) {

# Set filename
Expand Down Expand Up @@ -62,13 +63,14 @@ calculate_forecasts_anomalies <- function(ecmwf_forecasts_transformed,
lead_means <- forecasts_transformed_dataset |>
filter(data_date == baseline_date) |>
filter(lead_month %in% lead_months) |>
mutate(weight = case_when(lead_month == lead_months[1] ~ weight_a,
lead_month == lead_months[2] ~ weight_b)) |>
mutate(weight = case_when(lead_month == !!lead_months[1] ~ !!weight_a,
lead_month == !!lead_months[2] ~ !!weight_b)) |>
group_by(x, y, short_name) |>
summarize(lead_mean = sum(mean * weight)/ sum(weight)) |>
ungroup()

# bring in historical means for the relevant days of the year
# lookup with the historical means that are pre generated - this requires averaging over means and SDs
hist_doy <- yday(seq(lead_start_date, lead_end_date-1, by = "day"))
hist_doy_frmt <- str_pad(hist_doy, width = 3, side = "left", pad = "0")
hist_means <- open_dataset(weather_historical_means[str_detect(weather_historical_means, paste(hist_doy_frmt, collapse = "|"))]) |>
Expand All @@ -78,6 +80,21 @@ calculate_forecasts_anomalies <- function(ecmwf_forecasts_transformed,
ungroup() |>
collect()

# alternative approach using the actual data - takes 30 sec each run
# tar_load(nasa_weather_transformed)
# hist_doy <- yday(seq(lead_start_date, lead_end_date-1, by = "day"))
# hist_means <- open_dataset(nasa_weather_transformed) |>
# filter(day_of_year %in% hist_doy) |>
# group_by(x, y) |>
# summarize(historical_relative_humidity_mean = mean(relative_humidity),
# historical_temperature_mean = mean(temperature),
# historical_precipitation_mean = mean(precipitation),
# historical_relative_humidity_sd = sd(relative_humidity),
# historical_temperature_sd = sd(temperature),
# historical_precipitation_sd = sd(precipitation)) |>
# ungroup() |>
# collect()

# calculate anomalies - a bit inefficient because arrow doesn't allow reshaping (should have done so in the transform function)
# NAs are expected because forecasts are for the whole continent, weather is just for areas of interest

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13 changes: 10 additions & 3 deletions _targets/meta/meta
Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
name|type|data|command|depend|seed|path|time|size|bytes|format|repository|iteration|parent|children|seconds|warnings|error
.Random.seed|object|2b2f11d0568d5961|||||||||||||||
.Random.seed|object|1852a196ad09a863|||||||||||||||
all_targets|function|2dda5afbd1f92385|||||||||||||||
aws_bucket|object|d9cf2c5ff7cc1be4|||||||||||||||
aws_s3_upload_single_type|function|6d277b68ccbb67a2|||||||||||||||
cache_aws_branched_target|function|6e2abfa4969de1bf|||||||||||||||
calculate_forecasts_anomalies|function|6e502181840d3175|||||||||||||||
calculate_forecasts_anomalies|function|2c33916b90afc58a|||||||||||||||
calculate_ndvi_anomalies|function|6db15a3294a84787|||||||||||||||
calculate_ndvi_historical_means|function|a02a324eed41f50b|||||||||||||||
calculate_weather_anomalies|function|57719f2f7340a5c0|||||||||||||||
Expand All @@ -24,7 +24,7 @@ create_nasa_weather_dataset|function|7eb26dcea55b80b9|||||||||||||||
create_ndvi_date_lookup|function|acddeddb4382e68c|||||||||||||||
create_raster_template_plot|function|db738156a3247831|||||||||||||||
create_sentinel_ndvi_dataset|function|201d4eaf8c87d0c3|||||||||||||||
data_targets|object|6036bf6e50664e06|||||||||||||||
data_targets|object|1b2f208c4b9303d7|||||||||||||||
days_of_year|stem|e2673220ee124699|1e42c49f9959f217|787f005495551c49|-84662016|bucket=open-rvfcast-data*region=NULL*key=_targets/days_of_year*endpoint=TlVMTA*version=|t19642.833473024s||1502|qs|aws|vector|||0.001||
define_bounding_boxes|function|e614caacc0592e73|||||||||||||||
define_country_regions|function|54808365a1bb460e|||||||||||||||
Expand Down Expand Up @@ -110,7 +110,14 @@ ecmwf_forecasts_transformed_upload_aws_s3_f77cea8f|branch|6e170a6bc685cec2|af110
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env_file|object|5e2c4c2bf6df65f0|||||||||||||||
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get_country_bounding_boxes|function|82b21d03b36ce8fe|||||||||||||||
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get_modis_ndvi_bundle|function|1f38d28bad794ce7|||||||||||||||
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