# MetricValue

A metric value, with an expected value and a variance; represents a count that may be either exact or estimated (i.e. when sampled).

JSON representation
```{
"value": string,
"variance": string
}```
Fields
`value`

`string (int64 format)`

The expected value of the metric.

`variance`

`string (int64 format)`

The variance (i.e. square of the standard deviation) of the metric value. If value is exact, variance is 0. Can be used to calculate margin of error as a percentage of value, using the following formula, where Z is the standard constant that depends on the desired size of the confidence interval (e.g. for 90% confidence interval, use Z = 1.645):

marginOfError = 100 * Z * sqrt(variance) / value

[]
[]
{"ft_lang_label":"__label__en","ft_lang_prob":0.73969054,"math_prob":0.9952422,"size":657,"snap":"2022-27-2022-33","text_gpt3_token_len":161,"char_repetition_ratio":0.13935682,"word_repetition_ratio":0.0,"special_character_ratio":0.26179606,"punctuation_ratio":0.1627907,"nsfw_num_words":0,"has_unicode_error":false,"math_prob_llama3":0.9997583,"pos_list":[0],"im_url_duplicate_count":[null],"WARC_HEADER":"{\"WARC-Type\":\"response\",\"WARC-Date\":\"2022-08-08T12:54:13Z\",\"WARC-Record-ID\":\"<urn:uuid:586954b9-ec16-416c-a6b5-f0f1eaa4030c>\",\"Content-Length\":\"118876\",\"Content-Type\":\"application/http; msgtype=response\",\"WARC-Warcinfo-ID\":\"<urn:uuid:af616690-914e-4d1f-9912-13ca12ae7b6b>\",\"WARC-Concurrent-To\":\"<urn:uuid:b4d33670-4bd3-4af6-9fb3-456b663af450>\",\"WARC-IP-Address\":\"172.217.164.163\",\"WARC-Target-URI\":\"https://developers.google.cn/authorized-buyers/apis/reference/rest/v2beta1/MetricValue?hl=hi\",\"WARC-Payload-Digest\":\"sha1:AIJY2RBVFQYFY64RAZWUNELKBVFAC6KB\",\"WARC-Block-Digest\":\"sha1:DBOAY3HF2VHKR67F7NBQG3M2PB4TJIYJ\",\"WARC-Identified-Payload-Type\":\"text/html\",\"warc_filename\":\"/cc_download/warc_2022/CC-MAIN-2022-33/CC-MAIN-2022-33_segments_1659882570827.41_warc_CC-MAIN-20220808122331-20220808152331-00688.warc.gz\"}"}